diff --git a/extensions/freebase/build.xml b/extensions/freebase/build.xml
index a5f1d937f..f2afc2bbd 100644
--- a/extensions/freebase/build.xml
+++ b/extensions/freebase/build.xml
@@ -43,7 +43,7 @@
     <property name="classes.dir" value="${modinf.dir}/classes" />
 
     <path id="class.path">
-        <fileset dir="${lib.dir}">
+        <fileset dir="${lib.dir}" erroronmissingdir="false">
             <include name="**/*.jar" />
         </fileset>
         <fileset dir="${refine.lib.dir}">
diff --git a/extensions/freebase/module/scripts/dialogs/extend-data-preview-dialog.js b/extensions/freebase/module/scripts/dialogs/extend-data-preview-dialog.js
index 8b9596d83..b5639f797 100644
--- a/extensions/freebase/module/scripts/dialogs/extend-data-preview-dialog.js
+++ b/extensions/freebase/module/scripts/dialogs/extend-data-preview-dialog.js
@@ -168,7 +168,7 @@ ExtendDataPreviewDialog.prototype._update = function() {
   };
 
   $.post(
-    "/command/freebase/preview-extend-data?" + $.param(params), 
+    "command/freebase/preview-extend-data?" + $.param(params), 
     {
       rowIndices: JSON.stringify(this._rowIndices),
       extension: JSON.stringify(this._extension)
diff --git a/extensions/freebase/module/scripts/dialogs/freebase-loading-dialog.js b/extensions/freebase/module/scripts/dialogs/freebase-loading-dialog.js
index e8eaa918d..b81e68f11 100644
--- a/extensions/freebase/module/scripts/dialogs/freebase-loading-dialog.js
+++ b/extensions/freebase/module/scripts/dialogs/freebase-loading-dialog.js
@@ -47,7 +47,7 @@ FreebaseLoadingDialog.prototype._createDialog = function() {
   var loadButton = this._elmts.loadButton;
 
   var check_authorization = function(cont) {
-    var check_authorization_url = "/command/freebase/check-authorization/" + provider;
+    var check_authorization_url = "command/freebase/check-authorization/" + provider;
     $.get(check_authorization_url, function(data) {
       if ("status" in data && data.code == "/api/status/ok") {
         authorization.html('Signed in as: <a target="_new" href="http://www.freebase.com/view/user/' + data.username + '">' + data.username + '</a> | <a href="javascript:{}" bind="signout">Sign Out</a>').show();
@@ -96,7 +96,7 @@ FreebaseLoadingDialog.prototype._createDialog = function() {
       "guid":   null
     }];
 
-    $.post("/command/freebase/mqlwrite/" + provider, 
+    $.post("command/freebase/mqlwrite/" + provider, 
         { "query" : JSON.stringify(mql_query) }, 
         function(data) {
           if ("status" in data && data.code == "/api/status/ok") {
@@ -112,7 +112,7 @@ FreebaseLoadingDialog.prototype._createDialog = function() {
 
   var show_triples = function(cont) {
     $.post(
-      "/command/freebase/preview-protograph?" + $.param({ project: theProject.id }),
+      "command/freebase/preview-protograph?" + $.param({ project: theProject.id }),
       {
         protograph: JSON.stringify(theProject.overlayModels.freebaseProtograph || {}),
         engine: JSON.stringify(ui.browsingEngine.getJSON())
@@ -144,7 +144,7 @@ FreebaseLoadingDialog.prototype._createDialog = function() {
           });
 
           $.getJSON(
-            "/command/core/get-preference?" + $.param({ project: theProject.id, name: "freebase.load.jobName" }),
+            "command/core/get-preference?" + $.param({ project: theProject.id, name: "freebase.load.jobName" }),
             null,
             function(data) {
               self._elmts.source_name[0].value = (data.value) ? data.value : theProject.metadata.name;
@@ -182,7 +182,7 @@ FreebaseLoadingDialog.prototype._load = function() {
     var dismissBusy = DialogSystem.showBusy();
 
     $.post(
-      "/command/freebase/upload-data",
+      "command/freebase/upload-data",
       {
         "project" : theProject.id, 
         "qa" : qa,
diff --git a/extensions/freebase/module/scripts/dialogs/schema-alignment/dialog.js b/extensions/freebase/module/scripts/dialogs/schema-alignment/dialog.js
index 210bf44be..0394591c6 100644
--- a/extensions/freebase/module/scripts/dialogs/schema-alignment/dialog.js
+++ b/extensions/freebase/module/scripts/dialogs/schema-alignment/dialog.js
@@ -285,7 +285,7 @@ SchemaAlignmentDialog.prototype.preview = function(initial) {
 
   var protograph = this.getJSON();
   $.post(
-    "/command/freebase/preview-protograph?" + $.param({ project: theProject.id }),
+    "command/freebase/preview-protograph?" + $.param({ project: theProject.id }),
     { protograph: JSON.stringify(protograph), engine: JSON.stringify(ui.browsingEngine.getJSON()) },
     function(data) {
       if ("mqllike" in data) {
diff --git a/extensions/freebase/module/scripts/extension.js b/extensions/freebase/module/scripts/extension.js
index bee6f4881..d5c9d6dd8 100644
--- a/extensions/freebase/module/scripts/extension.js
+++ b/extensions/freebase/module/scripts/extension.js
@@ -37,7 +37,7 @@ FreebaseExtension.handlers.setFreebaseApiKey = function() {
   var value = window.prompt("Set Freebase API Key:");
   if (value !== null) {
     $.post(
-      "/command/core/set-preference",
+      "command/core/set-preference",
       {
         name : "freebase.api.key",
         value : JSON.stringify(value)
@@ -75,7 +75,7 @@ FreebaseExtension.handlers.browseToDataLoad = function() {
   var w = window.open("about:blank", "dataload");
 
   $.getJSON(
-    "/command/core/get-preference?" + $.param({ project: theProject.id, name: "freebase.load.jobID" }),
+    "command/core/get-preference?" + $.param({ project: theProject.id, name: "freebase.load.jobID" }),
     null,
     function(data) {
       if (data.value == null) {
diff --git a/extensions/gdata/module/scripts/index/gdata-source-ui.js b/extensions/gdata/module/scripts/index/gdata-source-ui.js
index 5306914ca..570bce2fb 100644
--- a/extensions/gdata/module/scripts/index/gdata-source-ui.js
+++ b/extensions/gdata/module/scripts/index/gdata-source-ui.js
@@ -54,7 +54,7 @@ Refine.GDataSourceUI.prototype.attachUI = function(body) {
     );
   });
   this._body.find('.gdata-signout.button').click(function() {
-      $.get("/command/gdata/deauthorize" );
+      $.get("command/gdata/deauthorize" );
       self._body.find('.gdata-page').hide();
       self._elmts.signinPage.show();
   });
@@ -92,7 +92,7 @@ Refine.GDataSourceUI.prototype._listDocuments = function() {
   
   var self = this;
   $.post(
-    "/command/core/importing-controller?" + $.param({
+    "command/core/importing-controller?" + $.param({
       "controller": "gdata/gdata-importing-controller",
       "subCommand": "list-documents"
     }),
diff --git a/extensions/gdata/module/scripts/index/importing-controller.js b/extensions/gdata/module/scripts/index/importing-controller.js
index ce87e5b97..ce77eb55b 100644
--- a/extensions/gdata/module/scripts/index/importing-controller.js
+++ b/extensions/gdata/module/scripts/index/importing-controller.js
@@ -49,11 +49,11 @@ Refine.GDataImportingController.prototype.startImportingDocument = function(doc)
   
   var self = this;
   $.post(
-    "/command/core/create-importing-job",
+    "command/core/create-importing-job",
     null,
     function(data) {
       $.post(
-        "/command/core/importing-controller?" + $.param({
+        "command/core/importing-controller?" + $.param({
           "controller": "gdata/gdata-importing-controller",
           "subCommand": "initialize-parser-ui",
           "docUrl": doc.docSelfLink,
@@ -272,7 +272,7 @@ Refine.GDataImportingController.prototype._updatePreview = function() {
   this._parsingPanelElmts.progressPanel.show();
 
   $.post(
-    "/command/core/importing-controller?" + $.param({
+    "command/core/importing-controller?" + $.param({
       "controller": "gdata/gdata-importing-controller",
       "jobID": this._jobID,
       "subCommand": "parse-preview"
@@ -303,7 +303,7 @@ Refine.GDataImportingController.prototype._getPreviewData = function(callback, n
   var result = {};
 
   $.post(
-    "/command/core/get-models?" + $.param({ "importingJobID" : this._jobID }),
+    "command/core/get-models?" + $.param({ "importingJobID" : this._jobID }),
     null,
     function(data) {
       for (var n in data) {
@@ -313,7 +313,7 @@ Refine.GDataImportingController.prototype._getPreviewData = function(callback, n
       }
       
       $.post(
-        "/command/core/get-rows?" + $.param({
+        "command/core/get-rows?" + $.param({
           "importingJobID" : self._jobID,
           "start" : 0,
           "limit" : numRows || 100 // More than we parse for preview anyway
@@ -342,7 +342,7 @@ Refine.GDataImportingController.prototype._createProject = function() {
   var options = this.getOptions();
   options.projectName = projectName;
   $.post(
-    "/command/core/importing-controller?" + $.param({
+    "command/core/importing-controller?" + $.param({
       "controller": "gdata/gdata-importing-controller",
       "jobID": this._jobID,
       "subCommand": "create-project"
diff --git a/extensions/gdata/module/scripts/project/exporters.js b/extensions/gdata/module/scripts/project/exporters.js
index 00399b0be..e65c31ddc 100644
--- a/extensions/gdata/module/scripts/project/exporters.js
+++ b/extensions/gdata/module/scripts/project/exporters.js
@@ -38,7 +38,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
       if (name) {
         var dismiss = DialogSystem.showBusy('Uploading...');
         $.post(
-          "/command/gdata/upload",
+          "command/gdata/upload",
           {
             "project" : theProject.id,
             "engine" : exportAllRows ? '' : JSON.stringify(ui.browsingEngine.getJSON()),
diff --git a/extensions/sample/build.xml b/extensions/sample/build.xml
index 54e9ddc52..964b1150f 100644
--- a/extensions/sample/build.xml
+++ b/extensions/sample/build.xml
@@ -43,7 +43,7 @@
     <property name="classes.dir" value="${modinf.dir}/classes" />
 
     <path id="class.path">
-        <fileset dir="${lib.dir}">
+        <fileset dir="${lib.dir}" erroronmissingdir="false">
             <include name="**/*.jar" />
         </fileset>
         <fileset dir="${refine.lib.dir}">
diff --git a/main/webapp/WEB-INF/butterfly.properties b/main/webapp/WEB-INF/butterfly.properties
index ca73e3601..81393533c 100644
--- a/main/webapp/WEB-INF/butterfly.properties
+++ b/main/webapp/WEB-INF/butterfly.properties
@@ -24,7 +24,7 @@ butterfly.default.mountpoint = /extension
 # ---------- Module ------
 
 butterfly.modules.path = modules
-butterfly.modules.path = ../../extensions/
+butterfly.modules.path = ../../extensions
     # Add more paths here if your extensions live elsewhere.
     # Relative paths are relative to refine/main/webapp/
 
diff --git a/main/webapp/WEB-INF/web.xml b/main/webapp/WEB-INF/web.xml
index d5f8a2687..4de8ff326 100644
--- a/main/webapp/WEB-INF/web.xml
+++ b/main/webapp/WEB-INF/web.xml
@@ -5,6 +5,8 @@
     "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
 
 <web-app>
+    <display-name>Google Refine</display-name>
+    <description>Google Refine Webapp</description>
 
     <!--+
         | This forces all the session cookies to default to the root path.
@@ -17,7 +19,7 @@
         <param-name>org.mortbay.jetty.servlet.SessionPath</param-name>
         <param-value>/</param-value>
     </context-param>
-     
+
     <servlet>
         <servlet-name>refine</servlet-name>
         <servlet-class>com.google.refine.RefineServlet</servlet-class>
@@ -29,6 +31,12 @@
             <param-name>refine.revision</param-name>
             <param-value>$REVISION</param-value>
         </init-param>
+        <!-- added by Wikier, unused by us
+        <init-param>
+            <param-name>refine.data</param-name>
+            <param-value>/tmp/refine</param-value>
+        </init-param>  
+        -->
     </servlet>
 
     <servlet-mapping>
diff --git a/main/webapp/modules/core/MOD-INF/controller.js b/main/webapp/modules/core/MOD-INF/controller.js
index 2dc6fb61c..45177f03b 100644
--- a/main/webapp/modules/core/MOD-INF/controller.js
+++ b/main/webapp/modules/core/MOD-INF/controller.js
@@ -521,7 +521,7 @@ function process(path, request, response) {
     );
   } else {
     if (path == "/" || path == "") {
-      path = "/index";
+      path = "index";
     } else if (path.endsWith("/")) {
       path = path.substring(0, path.length - 1);
     }
@@ -585,7 +585,7 @@ function process(path, request, response) {
         var styleInjection = [];
         for each (var qualifiedPath in styles) {
           styleInjection.push(
-              '<link type="text/css" rel="stylesheet" href="' + qualifiedPath.fullPath + '" />');
+              '<link type="text/css" rel="stylesheet" href="' + qualifiedPath.fullPath.substring(1) + '" />');
         }
         context.styleInjection = styleInjection.join("\n");
 
@@ -596,7 +596,7 @@ function process(path, request, response) {
           var scriptInjection = [];
           for each (var qualifiedPath in scripts) {
             scriptInjection.push(
-                '<script type="text/javascript" src="' + qualifiedPath.fullPath + '"></script>');
+                '<script type="text/javascript" src="' + qualifiedPath.fullPath.substring(1) + '"></script>');
           }
           context.scriptInjection = scriptInjection.join("\n");
         }
diff --git a/main/webapp/modules/core/error.vt b/main/webapp/modules/core/error.vt
index 1f9cdefb7..f885d2d83 100644
--- a/main/webapp/modules/core/error.vt
+++ b/main/webapp/modules/core/error.vt
@@ -38,11 +38,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     <meta http-equiv="X-UA-Compatible" content="IE=8;IE=9;chrome=1;">
     <title>Error - Google Refine</title>
     <link rel="icon" type="image/png" href="images/favicon.png">
-    <link rel="stylesheet" href="/styles/common.less" />
+    <link rel="stylesheet" href="styles/common.less" />
   </head>
   <body>
     <div id="header">
-      <a id="app-home-button" href="/"><img alt="Google Refine" src="/images/logo-googlerefine-30.png" width="129" height="29" /></a>
+      <a id="app-home-button" href="/"><img alt="Google Refine" src="images/logo-googlerefine-30.png" width="129" height="29" /></a>
     </div>
     <div id="body-info">
       <h1>Something went wrong!</h1>
diff --git a/main/webapp/modules/core/index.vt b/main/webapp/modules/core/index.vt
index 081e88ee5..1c343c3a7 100644
--- a/main/webapp/modules/core/index.vt
+++ b/main/webapp/modules/core/index.vt
@@ -59,7 +59,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
       </div>
       <ul>
         <li><a href="http://code.google.com/p/google-refine/wiki/DocumentationForUsers">Help</a></li>
-        <li><a href="/about.html">About</a></li>
+        <li><a href="about.html">About</a></li>
       </ul>
     </div>
   </div></div> <!-- left-panel -->
diff --git a/main/webapp/modules/core/scripts/dialogs/clustering-dialog.js b/main/webapp/modules/core/scripts/dialogs/clustering-dialog.js
index 97f0ad4b6..c85f4249e 100644
--- a/main/webapp/modules/core/scripts/dialogs/clustering-dialog.js
+++ b/main/webapp/modules/core/scripts/dialogs/clustering-dialog.js
@@ -232,13 +232,13 @@ ClusteringDialog.prototype._cluster = function() {
     var self = this;
     
     var container = this._elmts.tableContainer.html(
-        '<div style="margin: 1em; font-size: 130%; color: #888;">Clustering... <img src="/images/small-spinner.gif"></div>'
+        '<div style="margin: 1em; font-size: 130%; color: #888;">Clustering... <img src="images/small-spinner.gif"></div>'
     );
     
     this._elmts.resultSummary.empty();
 
     $.post(
-        "/command/core/compute-clusters?" + $.param({ project: theProject.id }),
+        "command/core/compute-clusters?" + $.param({ project: theProject.id }),
         { 
             engine: JSON.stringify(ui.browsingEngine.getJSON()), 
             clusterer: JSON.stringify({ 
diff --git a/main/webapp/modules/core/scripts/dialogs/expression-preview-dialog.js b/main/webapp/modules/core/scripts/dialogs/expression-preview-dialog.js
index 51516249a..85225a68d 100644
--- a/main/webapp/modules/core/scripts/dialogs/expression-preview-dialog.js
+++ b/main/webapp/modules/core/scripts/dialogs/expression-preview-dialog.js
@@ -154,7 +154,7 @@ ExpressionPreviewDialog.Widget.prototype.getExpression = function(commit) {
     s = this._getLanguage() + ":" + s;
     if (commit) {
         $.post(
-            "/command/core/log-expression?" + $.param({ project: theProject.id, expression: s }),
+            "command/core/log-expression?" + $.param({ project: theProject.id, expression: s }),
             null,
             function(data) {
             },
@@ -172,7 +172,7 @@ ExpressionPreviewDialog.Widget.prototype._getLanguage = function() {
 ExpressionPreviewDialog.Widget.prototype._renderHelpTab = function() {
     var self = this;
     $.getJSON(
-        "/command/core/get-expression-language-info",
+        "command/core/get-expression-language-info",
         null,
         function(data) {
             self._renderHelp(data);
@@ -253,7 +253,7 @@ ExpressionPreviewDialog.Widget.prototype._renderHelp = function(data) {
 ExpressionPreviewDialog.Widget.prototype._renderExpressionHistoryTab = function() {
     var self = this;
     $.getJSON(
-        "/command/core/get-expression-history?" + $.param({ project: theProject.id }),
+        "command/core/get-expression-history?" + $.param({ project: theProject.id }),
         null,
         function(data) {
             self._renderExpressionHistory(data);
@@ -280,7 +280,7 @@ ExpressionPreviewDialog.Widget.prototype._renderExpressionHistory = function(dat
                 .appendTo(tr.insertCell(0))
                 .click(function() {
                     $.post(
-                        "/command/core/toggle-starred-expression",
+                        "command/core/toggle-starred-expression",
                         { expression: entry.code },
                         function(data) {
                             entry.starred = !entry.starred;
@@ -319,7 +319,7 @@ ExpressionPreviewDialog.Widget.prototype._renderExpressionHistory = function(dat
 ExpressionPreviewDialog.Widget.prototype._renderStarredExpressionsTab = function() {
     var self = this;
     $.getJSON(
-        "/command/core/get-starred-expressions",
+        "command/core/get-starred-expressions",
         null,
         function(data) {
             self._renderStarredExpressions(data);
@@ -344,7 +344,7 @@ ExpressionPreviewDialog.Widget.prototype._renderStarredExpressions = function(da
         
         $('<a href="javascript:{}">Remove</a>').appendTo(tr.insertCell(0)).click(function() {
             $.post(
-                "/command/core/toggle-starred-expression",
+                "command/core/toggle-starred-expression",
                 { expression: entry.code, returnList: true },
                 function(data) {
                     self._renderStarredExpressions(data);
@@ -394,7 +394,7 @@ ExpressionPreviewDialog.Widget.prototype.update = function() {
     this._prepareUpdate(params);
     
     $.post(
-        "/command/core/preview-expression?" + $.param(params), 
+        "command/core/preview-expression?" + $.param(params), 
         {
             rowIndices: JSON.stringify(this._rowIndices) 
         },
diff --git a/main/webapp/modules/core/scripts/dialogs/scatterplot-dialog.js b/main/webapp/modules/core/scripts/dialogs/scatterplot-dialog.js
index d0861688d..1d063bb56 100644
--- a/main/webapp/modules/core/scripts/dialogs/scatterplot-dialog.js
+++ b/main/webapp/modules/core/scripts/dialogs/scatterplot-dialog.js
@@ -78,14 +78,14 @@ ScatterplotDialog.prototype._renderMatrix = function() {
     var self = this;
     
     var container = this._elmts.tableContainer.html(
-        '<div style="margin: 1em; font-size: 130%; color: #888; background-color: white;">Processing... <img src="/images/small-spinner.gif"></div>'
+        '<div style="margin: 1em; font-size: 130%; color: #888; background-color: white;">Processing... <img src="images/small-spinner.gif"></div>'
     );
 
     if (theProject.columnModel.columns.length > 0) {
         var params = {
             project: theProject.id
         };
-        $.getJSON("/command/core/get-columns-info?" + $.param(params),function(data) {
+        $.getJSON("command/core/get-columns-info?" + $.param(params),function(data) {
             if (data === null || typeof data.length == 'undefined') {
                 container.html("Error calling 'get-columns-info'");
                 return;
@@ -122,7 +122,7 @@ ScatterplotDialog.prototype._renderMatrix = function() {
                     engine: JSON.stringify(ui.browsingEngine.getJSON()), 
                     plotter: JSON.stringify(plotter_params) 
                 };
-                var url = "/command/core/get-scatterplot?" + $.param(params);
+                var url = "command/core/get-scatterplot?" + $.param(params);
 
                 var attrs = [
                     'width="' + self._plot_size + '"',
diff --git a/main/webapp/modules/core/scripts/dialogs/templating-exporter-dialog.js b/main/webapp/modules/core/scripts/dialogs/templating-exporter-dialog.js
index 1727bdbbc..6e1fb9237 100644
--- a/main/webapp/modules/core/scripts/dialogs/templating-exporter-dialog.js
+++ b/main/webapp/modules/core/scripts/dialogs/templating-exporter-dialog.js
@@ -60,7 +60,7 @@ TemplatingExporterDialog.prototype._createDialog = function() {
 
 TemplatingExporterDialog.prototype._getSavedTemplate = function(f) {
     $.getJSON(
-        "/command/core/get-preference?" + $.param({ project: theProject.id, name: "exporters.templating.template" }),
+        "command/core/get-preference?" + $.param({ project: theProject.id, name: "exporters.templating.template" }),
         null,
         function(data) {
             if (data.value !== null) {
@@ -113,7 +113,7 @@ TemplatingExporterDialog.prototype._dismiss = function() {
 TemplatingExporterDialog.prototype._updatePreview = function() {
     var self = this;
     $.post(
-        "/command/core/export-rows/preview.txt",
+        "command/core/export-rows/preview.txt",
         {
             "project" : theProject.id, 
             "format" : "template",
@@ -139,7 +139,7 @@ TemplatingExporterDialog.prototype._export = function() {
     $(form)
         .css("display", "none")
         .attr("method", "post")
-        .attr("action", "/command/core/export-rows/" + name + ".txt")
+        .attr("action", "command/core/export-rows/" + name + ".txt")
         .attr("target", "refine-export");
         
     var appendField = function(name, value) {
diff --git a/main/webapp/modules/core/scripts/facets/list-facet.js b/main/webapp/modules/core/scripts/facets/list-facet.js
index 0ba90db13..38656b57e 100644
--- a/main/webapp/modules/core/scripts/facets/list-facet.js
+++ b/main/webapp/modules/core/scripts/facets/list-facet.js
@@ -702,7 +702,7 @@ ListFacet.prototype._setChoiceCountLimit = function(choiceCount) {
     if (!isNaN(n)) {
       var self = this;
       $.post(
-        "/command/core/set-preference",
+        "command/core/set-preference",
         {
           name : "ui.browsing.listFacet.limit",
           value : n
diff --git a/main/webapp/modules/core/scripts/facets/scatterplot-facet.js b/main/webapp/modules/core/scripts/facets/scatterplot-facet.js
index 0c58a7dfa..2c1b2e8e4 100644
--- a/main/webapp/modules/core/scripts/facets/scatterplot-facet.js
+++ b/main/webapp/modules/core/scripts/facets/scatterplot-facet.js
@@ -273,7 +273,7 @@ ScatterplotFacet.prototype._formulateImageUrl = function(engineConfig, conf) {
       engine: JSON.stringify(engineConfig), 
       plotter: JSON.stringify(options) 
   };
-  return "/command/core/get-scatterplot?" + $.param(params);
+  return "command/core/get-scatterplot?" + $.param(params);
 };
 
 ScatterplotFacet.prototype.updateState = function(data) {
diff --git a/main/webapp/modules/core/scripts/index.js b/main/webapp/modules/core/scripts/index.js
index 6e1a93f77..2dc7bda58 100644
--- a/main/webapp/modules/core/scripts/index.js
+++ b/main/webapp/modules/core/scripts/index.js
@@ -70,7 +70,7 @@ $(function() {
 
   var showVersion = function() {
     $.getJSON(
-        "/command/core/get-version",
+        "command/core/get-version",
         null,
         function(data) {
           GoogleRefineVersion = data;
diff --git a/main/webapp/modules/core/scripts/index/create-project-ui.js b/main/webapp/modules/core/scripts/index/create-project-ui.js
index 9ecc75e4a..6a9fa915a 100644
--- a/main/webapp/modules/core/scripts/index/create-project-ui.js
+++ b/main/webapp/modules/core/scripts/index/create-project-ui.js
@@ -50,7 +50,7 @@ Refine.CreateProjectUI = function(elmt) {
   this._errorPanel.html(DOM.loadHTML("core", "scripts/index/create-project-error-panel.html"));
   
   $.post(
-    "/command/core/get-importing-configuration",
+    "command/core/get-importing-configuration",
     null,
     function(data) {
       Refine.importingConfig = data.config;
@@ -177,7 +177,7 @@ Refine.CreateProjectUI.prototype.showImportProgressPanel = function(progressMess
 Refine.CreateProjectUI.prototype.pollImportJob = function(start, jobID, timerID, checkDone, callback, onError) {
   var self = this;
   $.post(
-    "/command/core/get-importing-job-status?" + $.param({ "jobID": jobID }),
+    "command/core/get-importing-job-status?" + $.param({ "jobID": jobID }),
     null,
     function(data) {
       if (!(data)) {
@@ -264,5 +264,5 @@ Refine.CreateProjectUI.composeErrorMessage = function(job) {
 };
 
 Refine.CreateProjectUI.cancelImportingJob = function(jobID) {
-  $.post("/command/core/cancel-importing-job?" + $.param({ "jobID": jobID }));
+  $.post("command/core/cancel-importing-job?" + $.param({ "jobID": jobID }));
 };
diff --git a/main/webapp/modules/core/scripts/index/default-importing-controller/controller.js b/main/webapp/modules/core/scripts/index/default-importing-controller/controller.js
index 5e69d5e6a..6d3b964fe 100644
--- a/main/webapp/modules/core/scripts/index/default-importing-controller/controller.js
+++ b/main/webapp/modules/core/scripts/index/default-importing-controller/controller.js
@@ -74,7 +74,7 @@ Refine.DefaultImportingController.prototype._startOver = function() {
 Refine.DefaultImportingController.prototype.startImportJob = function(form, progressMessage, callback) {
   var self = this;
   $.post(
-      "/command/core/create-importing-job",
+      "command/core/create-importing-job",
       null,
       function(data) {
         var jobID = self._jobID = data.jobID;
@@ -83,7 +83,7 @@ Refine.DefaultImportingController.prototype.startImportJob = function(form, prog
         .attr("enctype", "multipart/form-data")
         .attr("accept-charset", "UTF-8")
         .attr("target", "create-project-iframe")
-        .attr("action", "/command/core/importing-controller?" + $.param({
+        .attr("action", "command/core/importing-controller?" + $.param({
           "controller": "core/default-importing-controller",
           "jobID": jobID,
           "subCommand": "load-raw-data"
@@ -176,7 +176,7 @@ Refine.DefaultImportingController.prototype._ensureFormatParserUIHasInitializati
     var self = this;
     var dismissBusy = DialogSystem.showBusy("Inspecting selected files ...");
     $.post(
-      "/command/core/importing-controller?" + $.param({
+      "command/core/importing-controller?" + $.param({
         "controller": "core/default-importing-controller",
         "jobID": this._jobID,
         "subCommand": "initialize-parser-ui",
@@ -201,7 +201,7 @@ Refine.DefaultImportingController.prototype._ensureFormatParserUIHasInitializati
 Refine.DefaultImportingController.prototype.updateFormatAndOptions = function(options, callback) {
   var self = this;
   $.post(
-    "/command/core/importing-controller?" + $.param({
+    "command/core/importing-controller?" + $.param({
       "controller": "core/default-importing-controller",
       "jobID": this._jobID,
       "subCommand": "update-format-and-options"
@@ -232,7 +232,7 @@ Refine.DefaultImportingController.prototype.getPreviewData = function(callback,
   var result = {};
 
   $.post(
-    "/command/core/get-models?" + $.param({ "importingJobID" : this._jobID }),
+    "command/core/get-models?" + $.param({ "importingJobID" : this._jobID }),
     null,
     function(data) {
       for (var n in data) {
@@ -242,7 +242,7 @@ Refine.DefaultImportingController.prototype.getPreviewData = function(callback,
       }
 
       $.post(
-        "/command/core/get-rows?" + $.param({
+        "command/core/get-rows?" + $.param({
           "importingJobID" : self._jobID,
           "start" : 0,
           "limit" : numRows || 100 // More than we parse for preview anyway
@@ -272,7 +272,7 @@ Refine.DefaultImportingController.prototype._createProject = function() {
     var options = this._formatParserUI.getOptions();
     options.projectName = projectName;
     $.post(
-      "/command/core/importing-controller?" + $.param({
+      "command/core/importing-controller?" + $.param({
         "controller": "core/default-importing-controller",
         "jobID": this._jobID,
         "subCommand": "create-project"
diff --git a/main/webapp/modules/core/scripts/index/default-importing-controller/file-selection-panel.js b/main/webapp/modules/core/scripts/index/default-importing-controller/file-selection-panel.js
index 0b8fe5a37..e1871da69 100644
--- a/main/webapp/modules/core/scripts/index/default-importing-controller/file-selection-panel.js
+++ b/main/webapp/modules/core/scripts/index/default-importing-controller/file-selection-panel.js
@@ -316,7 +316,7 @@ Refine.DefaultImportingController.prototype._commitFileSelection = function() {
   var self = this;
   var dismissBusy = DialogSystem.showBusy("Inspecting<br/>selected files ...");
   $.post(
-    "/command/core/importing-controller?" + $.param({
+    "command/core/importing-controller?" + $.param({
       "controller": "core/default-importing-controller",
       "jobID": this._jobID,
       "subCommand": "update-file-selection"
diff --git a/main/webapp/modules/core/scripts/index/import-project-ui.html b/main/webapp/modules/core/scripts/index/import-project-ui.html
index 2659bb2ed..f563620d7 100644
--- a/main/webapp/modules/core/scripts/index/import-project-ui.html
+++ b/main/webapp/modules/core/scripts/index/import-project-ui.html
@@ -1,4 +1,4 @@
-<form id="project-upload-form" method="post" enctype="multipart/form-data" action="/command/core/import-project" accept-charset="UTF-8">
+<form id="project-upload-form" method="post" enctype="multipart/form-data" action="command/core/import-project" accept-charset="UTF-8">
   <div class="grid-layout layout-normal"><table>
     <tr>
       <td colspan="2">Locate an existing Google Refine project file (.tar or .tar.gz):</td>
diff --git a/main/webapp/modules/core/scripts/index/open-project-ui.js b/main/webapp/modules/core/scripts/index/open-project-ui.js
index 598e84db2..5d1be04c9 100644
--- a/main/webapp/modules/core/scripts/index/open-project-ui.js
+++ b/main/webapp/modules/core/scripts/index/open-project-ui.js
@@ -60,7 +60,7 @@ Refine.OpenProjectUI = function(elmt) {
   $('#projects-workspace-open').click(function() {
     $.ajax({
       type: "POST",
-      url: "/command/core/open-workspace-dir",
+      url: "command/core/open-workspace-dir",
       dataType: "json",
       success: function (data) {
         if (data.code != "ok" && "message" in data) {
@@ -89,7 +89,7 @@ Refine.OpenProjectUI.prototype.resize = function() {
 Refine.OpenProjectUI.prototype._fetchProjects = function() {
   var self = this;
   $.getJSON(
-      "/command/core/get-all-project-metadata",
+      "command/core/get-all-project-metadata",
       null,
       function(data) {
         self._renderProjects(data);
@@ -136,12 +136,12 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
       .attr("title","Delete this project")
       .attr("href","")
       .css("visibility", "hidden")                
-      .html("<img src='/images/close.png' />")
+      .html("<img src='images/close.png' />")
       .click(function() {
         if (window.confirm("Are you sure you want to delete project \"" + project.name + "\"?")) {
           $.ajax({
             type: "POST",
-            url: "/command/core/delete-project",
+            url: "command/core/delete-project",
             data: { "project" : project.id },
             dataType: "json",
             success: function (data) {
@@ -174,7 +174,7 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
 
         $.ajax({
           type: "POST",
-          url: "/command/core/rename-project",
+          url: "command/core/rename-project",
           data: { "project" : project.id, "name" : name },
           dataType: "json",
           success: function (data) {
@@ -198,7 +198,7 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
       var nameLink = $('<a></a>')
       .addClass("project-name")
       .text(project.name)
-      .attr("href", "/project?project=" + project.id)
+      .attr("href", "project?project=" + project.id)
       .appendTo(tr.insertCell(tr.cells.length));
 
       $(tr).mouseenter(function() {
@@ -227,7 +227,7 @@ Refine.OpenProjectUI.prototype._onClickUploadFileButton = function(evt) {
 
   } else {
     $("#file-upload-form").attr("action",
-        "/command/core/create-project-from-upload?" + [
+        "command/core/create-project-from-upload?" + [
           "url=" +                escape(dataURL),
           "split-into-columns=" + $("#split-into-columns-input")[0].checked,
           "separator=" +          $("#separator-input")[0].value,
diff --git a/main/webapp/modules/core/scripts/preferences.js b/main/webapp/modules/core/scripts/preferences.js
index c26301e8d..dd5ef742f 100644
--- a/main/webapp/modules/core/scripts/preferences.js
+++ b/main/webapp/modules/core/scripts/preferences.js
@@ -49,7 +49,7 @@ function PreferenceUI(tr, key, value) {
     if (newValue !== null) {
       $(td1).text(newValue);
       $.post(
-        "/command/core/set-preference",
+        "command/core/set-preference",
         {
           name : key,
           value : JSON.stringify(newValue)
@@ -67,7 +67,7 @@ function PreferenceUI(tr, key, value) {
   $('<button class="button">').text("Delete").appendTo(td2).click(function() {
     if (window.confirm("Delete preference key " + key + "?")) {
       $.post(
-        "/command/core/set-preference",
+        "command/core/set-preference",
         {
           name : key
         },
@@ -120,7 +120,7 @@ function populatePreferences(prefs) {
         preferenceUIs.push(new PreferenceUI(tr, key, value));
 
         $.post(
-          "/command/core/set-preference",
+          "command/core/set-preference",
           {
             name : key,
             value : JSON.stringify(value)
@@ -139,7 +139,7 @@ function populatePreferences(prefs) {
 
 function onLoad() {
   $.post(
-      "/command/core/get-all-preferences",
+      "command/core/get-all-preferences",
       null,
       populatePreferences,
       "json"
diff --git a/main/webapp/modules/core/scripts/project.js b/main/webapp/modules/core/scripts/project.js
index e6e8bdb06..1c01dd615 100644
--- a/main/webapp/modules/core/scripts/project.js
+++ b/main/webapp/modules/core/scripts/project.js
@@ -155,7 +155,7 @@ Refine.setTitle = function(status) {
 
 Refine.reinitializeProjectData = function(f, fError) {
   $.getJSON(
-    "/command/core/get-project-metadata?" + $.param({ project: theProject.id }), null,
+    "command/core/get-project-metadata?" + $.param({ project: theProject.id }), null,
     function(data) {
       if (data.status == 'error') {
         alert(data.message);
@@ -165,7 +165,7 @@ Refine.reinitializeProjectData = function(f, fError) {
       } else {
         theProject.metadata = data;
         $.getJSON(
-          "/command/core/get-models?" + $.param({ project: theProject.id }), null,
+          "command/core/get-models?" + $.param({ project: theProject.id }), null,
           function(data) {
             for (var n in data) {
               if (data.hasOwnProperty(n)) {
@@ -195,7 +195,7 @@ Refine._renameProject = function() {
 
   $.ajax({
     type: "POST",
-    url: "/command/core/rename-project",
+    url: "command/core/rename-project",
     data: { "project" : theProject.id, "name" : name },
     dataType: "json",
     success: function (data) {
@@ -339,7 +339,7 @@ Refine.postProcess = function(moduleName, command, params, body, updateOptions,
   Refine.setAjaxInProgress();
 
   $.post(
-    "/command/" + moduleName + "/" + command + "?" + $.param(params),
+    "command/" + moduleName + "/" + command + "?" + $.param(params),
     body,
     onDone,
     "json"
@@ -404,7 +404,7 @@ Refine.fetchRows = function(start, limit, onDone, sorting) {
   }
 
   $.post(
-    "/command/core/get-rows?" + $.param({ project: theProject.id, start: start, limit: limit }) + "&callback=?",
+    "command/core/get-rows?" + $.param({ project: theProject.id, start: start, limit: limit }) + "&callback=?",
     body,
     function(data) {
       theProject.rowModel = data;
diff --git a/main/webapp/modules/core/scripts/project/browsing-engine.js b/main/webapp/modules/core/scripts/project/browsing-engine.js
index 5c099f3e1..13ab02569 100644
--- a/main/webapp/modules/core/scripts/project/browsing-engine.js
+++ b/main/webapp/modules/core/scripts/project/browsing-engine.js
@@ -243,7 +243,7 @@ BrowsingEngine.prototype.update = function(onDone) {
   this._elmts.indicator.css("visibility", "visible");
 
   $.post(
-    "/command/core/compute-facets?" + $.param({ project: theProject.id }),
+    "command/core/compute-facets?" + $.param({ project: theProject.id }),
     { engine: JSON.stringify(this.getJSON(true)) },
     function(data) {
       var facetData = data.facets;
diff --git a/main/webapp/modules/core/scripts/project/exporters.js b/main/webapp/modules/core/scripts/project/exporters.js
index 60e55c4c3..78a8b9ee7 100644
--- a/main/webapp/modules/core/scripts/project/exporters.js
+++ b/main/webapp/modules/core/scripts/project/exporters.js
@@ -139,7 +139,7 @@ ExporterManager.prepareExportRowsForm = function(format, includeEngine, ext) {
   $(form)
   .css("display", "none")
   .attr("method", "post")
-  .attr("action", "/command/core/export-rows/" + name + ((ext) ? ("." + ext) : ""))
+  .attr("action", "command/core/export-rows/" + name + ((ext) ? ("." + ext) : ""))
   .attr("target", "refine-export");
 
   $('<input />')
@@ -166,7 +166,7 @@ ExporterManager.handlers.exportProject = function() {
   $(form)
   .css("display", "none")
   .attr("method", "post")
-  .attr("action", "/command/core/export-project/" + name + ".google-refine.tar.gz")
+  .attr("action", "command/core/export-project/" + name + ".google-refine.tar.gz")
   .attr("target", "refine-export");
   $('<input />')
   .attr("name", "project")
diff --git a/main/webapp/modules/core/scripts/project/history-panel.js b/main/webapp/modules/core/scripts/project/history-panel.js
index d01480ac8..70ddc3b2f 100644
--- a/main/webapp/modules/core/scripts/project/history-panel.js
+++ b/main/webapp/modules/core/scripts/project/history-panel.js
@@ -54,7 +54,7 @@ HistoryPanel.prototype.resize = function() {
 HistoryPanel.prototype.update = function(onDone) {
   var self = this;
   Ajax.chainGetJSON(
-    "/command/core/get-history?" + $.param({ project: theProject.id }), null,
+    "command/core/get-history?" + $.param({ project: theProject.id }), null,
     function(data) {
       self._data = data;
       self._render();
@@ -171,7 +171,7 @@ HistoryPanel.prototype._onClickHistoryEntry = function(evt, entry, lastDoneID) {
 HistoryPanel.prototype._extractOperations = function() {
   var self = this;
   $.getJSON(
-      "/command/core/get-operations?" + $.param({ project: theProject.id }), 
+      "command/core/get-operations?" + $.param({ project: theProject.id }), 
       null,
       function(data) {
         if ("entries" in data) {
diff --git a/main/webapp/modules/core/scripts/project/process-panel.js b/main/webapp/modules/core/scripts/project/process-panel.js
index 6808ef2d1..846a68f5e 100644
--- a/main/webapp/modules/core/scripts/project/process-panel.js
+++ b/main/webapp/modules/core/scripts/project/process-panel.js
@@ -81,7 +81,7 @@ ProcessPanel.prototype.update = function(updateOptions, onDone) {
 
   var self = this;
   Ajax.chainGetJSON(
-      "/command/core/get-processes?" + $.param({ project: theProject.id }), null,
+      "command/core/get-processes?" + $.param({ project: theProject.id }), null,
       function(data) {
         self._latestHistoryEntry = null;
         self._render(data);
@@ -120,7 +120,7 @@ ProcessPanel.prototype.undo = function() {
 ProcessPanel.prototype._cancelAll = function() {
   var self = this;
   $.post(
-      "/command/core/cancel-processes?" + $.param({ project: theProject.id }), 
+      "command/core/cancel-processes?" + $.param({ project: theProject.id }), 
       null,
       function(o) {
         self._data = null;
@@ -195,7 +195,7 @@ ProcessPanel.prototype._render = function(newData) {
       if (window.confirm('The last operation encountered some errors:\n' + messages +
             '\n\nContinue with the remaining operations?')) {
         $.post(
-          "/command/core/apply-operations?" + $.param({ project: theProject.id }), 
+          "command/core/apply-operations?" + $.param({ project: theProject.id }), 
           { operations: '[]' },
           function(o) {},
           "json"
diff --git a/main/webapp/modules/core/scripts/reconciliation/recon-manager.js b/main/webapp/modules/core/scripts/reconciliation/recon-manager.js
index 53ebd2a12..daa3f5111 100644
--- a/main/webapp/modules/core/scripts/reconciliation/recon-manager.js
+++ b/main/webapp/modules/core/scripts/reconciliation/recon-manager.js
@@ -128,7 +128,7 @@ ReconciliationManager.save = function(f) {
   $.ajax({
     async: false,
     type: "POST",
-    url: "/command/core/set-preference?" + $.param({ 
+    url: "command/core/set-preference?" + $.param({ 
       name: "reconciliation.standardServices" 
     }),
     data: { "value" : JSON.stringify(ReconciliationManager.standardServices) },
@@ -147,7 +147,7 @@ ReconciliationManager.save = function(f) {
 
   $.ajax({
     async: false,
-    url: "/command/core/get-preference?" + $.param({ 
+    url: "command/core/get-preference?" + $.param({ 
       name: "reconciliation.standardServices" 
     }),
     success: function(data) {
diff --git a/main/webapp/modules/core/scripts/reconciliation/standard-service-panel.js b/main/webapp/modules/core/scripts/reconciliation/standard-service-panel.js
index f2479976b..5056c5b21 100644
--- a/main/webapp/modules/core/scripts/reconciliation/standard-service-panel.js
+++ b/main/webapp/modules/core/scripts/reconciliation/standard-service-panel.js
@@ -45,7 +45,7 @@ ReconStandardServicePanel.prototype._guessTypes = function(f) {
   var dismissBusy = DialogSystem.showBusy();
 
   $.post(
-    "/command/core/guess-types-of-column?" + $.param({
+    "command/core/guess-types-of-column?" + $.param({
       project: theProject.id, 
       columnName: this._column.name,
       service: this._service.url
diff --git a/main/webapp/modules/core/scripts/util/custom-suggest.js b/main/webapp/modules/core/scripts/util/custom-suggest.js
index c92bfad77..4a5d52b77 100644
--- a/main/webapp/modules/core/scripts/util/custom-suggest.js
+++ b/main/webapp/modules/core/scripts/util/custom-suggest.js
@@ -164,7 +164,7 @@ CustomSuggest.setFreebaseAPIKey = function(freebaseAPIKey) {
   );
   
   // Use Freebase API Key
-  $.ajax("/command/core/get-preference", 
+  $.ajax("command/core/get-preference", 
     {
       async: false,
       data: {name: "freebase.api.key"},
diff --git a/main/webapp/modules/core/scripts/util/dom.js b/main/webapp/modules/core/scripts/util/dom.js
index 5d545f110..45f53ef71 100644
--- a/main/webapp/modules/core/scripts/util/dom.js
+++ b/main/webapp/modules/core/scripts/util/dom.js
@@ -105,7 +105,7 @@ DOM._resolveIdInDOMChildren = function(elmt, idmap) {
 
 DOM._loadedHTML = {};
 DOM.loadHTML = function(module, path) {
-  var fullPath = ModuleWirings[module] + path;
+  var fullPath = (ModuleWirings[module] + path).substring(1);
   if (!(fullPath in DOM._loadedHTML)) {
     $.ajax({
       async: false,
diff --git a/main/webapp/modules/core/scripts/util/menu.js b/main/webapp/modules/core/scripts/util/menu.js
index 8b907054a..98333fd47 100644
--- a/main/webapp/modules/core/scripts/util/menu.js
+++ b/main/webapp/modules/core/scripts/util/menu.js
@@ -153,7 +153,7 @@ MenuSystem.createAndShowStandardMenu = function(items, elmt, options) {
         menuItem.html(
           '<table width="100%" cellspacing="0" cellpadding="0" class="menu-item-layout"><tr>' +
           '<td>' + item.label + '</td>' +
-          '<td width="1%"><img src="/images/right-arrow.png" /></td>' +
+          '<td width="1%"><img src="images/right-arrow.png" /></td>' +
           '</tr></table>'
         );
         menuItem.mouseenter(function() {
@@ -289,4 +289,4 @@ MenuSystem.insertAfter = function(rootItems, path, what) {
 
     Array.prototype.splice.apply(menuItems, spliceArgs);
   }
-};
\ No newline at end of file
+};
diff --git a/main/webapp/modules/core/scripts/util/sign.js b/main/webapp/modules/core/scripts/util/sign.js
index 58fd32d1b..eb6c77214 100644
--- a/main/webapp/modules/core/scripts/util/sign.js
+++ b/main/webapp/modules/core/scripts/util/sign.js
@@ -93,7 +93,7 @@ if (typeof window.Sign == 'undefined') {
     },
 
     signin : function(success, provider, check_authorization_url, width, height) {
-      var newwin = window.Sign.popup("/command/core/authorize/" + provider, width, height);
+      var newwin = window.Sign.popup("command/core/authorize/" + provider, width, height);
 
       if (newwin !== null) {
         newwin.opener = window;
@@ -123,7 +123,7 @@ if (typeof window.Sign == 'undefined') {
 
     signout : function(success,provider) {
       $.ajax({
-        url: "/command/core/deauthorize/" + provider,
+        url: "command/core/deauthorize/" + provider,
         success: function() {
           if (typeof success == 'undefined') {
             window.location.reload();
diff --git a/main/webapp/modules/core/styles/common.less b/main/webapp/modules/core/styles/common.less
index 4c3a7922b..a0794af11 100644
--- a/main/webapp/modules/core/styles/common.less
+++ b/main/webapp/modules/core/styles/common.less
@@ -162,7 +162,7 @@ a img {
   }
   
 .button-menu, a.button-menu {
-  background: url(/images/down-arrow.png) no-repeat right 6px;
+  background: url(images/down-arrow.png) no-repeat right 6px;
   padding-right: 12px;
   }
 
diff --git a/main/webapp/modules/core/styles/project/sidebar.less b/main/webapp/modules/core/styles/project/sidebar.less
index 1019e7cce..5b03ca79a 100644
--- a/main/webapp/modules/core/styles/project/sidebar.less
+++ b/main/webapp/modules/core/styles/project/sidebar.less
@@ -84,7 +84,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   padding: 20px 0 0 10px;
   font-size: 1.15em;
   font-weight: bold;
-  background: url(/images/logo-gem-40.png) no-repeat right top;
+  background: url(../../images/logo-gem-40.png) no-repeat right top;
   }
 
 .browsing-panel-help p, .history-panel-help p {