diff --git a/.classpath b/.classpath
index 80c2952c7..5e8637114 100644
--- a/.classpath
+++ b/.classpath
@@ -14,6 +14,7 @@
 	<classpathentry kind="lib" path="lib/arithcode-1.1.jar" sourcepath="lib-src/arithcode-1.1-sources.jar"/>
 	<classpathentry kind="lib" path="lib/jdatapath-alpha2.jar" sourcepath="lib-src/jdatapath-alpha2-sources.jar"/>
 	<classpathentry kind="lib" path="lib/secondstring-20100303.jar" sourcepath="lib-src/secondstring-20100303-sources.jar"/>
+	<classpathentry kind="lib" path="lib/protobuf-2.3.0.jar" sourcepath="lib-src/protobuf-2.3.0-sources.jar"/>
 	<classpathentry kind="lib" path="lib/poi-3.6.jar"/>
 	<classpathentry kind="lib" path="lib/poi-ooxml-3.6.jar"/>
 	<classpathentry kind="output" path="build/classes"/>
diff --git a/LICENSE.txt b/LICENSE.txt
index 0721cdf14..6650069ab 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -17,6 +17,8 @@ licenses/apache2.0.LICENSE.txt
     poi-ooxml
     poi-ooxml-schemas
     jdatapath
+    calendar-parser (package com.metaweb.gridworks.expr.util)
+    bzip2 (package org.apache.tools.bzip2)
  
 licenses/secondstring.LICENSE.txt (BSD family)
     secondstring
@@ -25,11 +27,14 @@ licenses/dom4j.LICENSE.txt (BSD family)
     dom4j
     
 licenses/simile.LICENSE.txt (BSD family)
-    vicino
+    vicino (package edu.mit.simile.vicino)
 
 licenses/arithcode.LICENSE.txt (BSD family)
     arithcode
    
+licenses/protobuf.LICENSE.txt (BSD family) 
+    protobuf
+    
 licenses/icu4j.LICENSE.txt (MIT family)
     icu4j
    
diff --git a/lib-src/protobuf-2.3.0-sources.jar b/lib-src/protobuf-2.3.0-sources.jar
new file mode 100644
index 000000000..1bddf502b
Binary files /dev/null and b/lib-src/protobuf-2.3.0-sources.jar differ
diff --git a/lib/protobuf-2.3.0.jar b/lib/protobuf-2.3.0.jar
new file mode 100644
index 000000000..800b4fe40
Binary files /dev/null and b/lib/protobuf-2.3.0.jar differ
diff --git a/licenses/protobuf.LICENSE.txt b/licenses/protobuf.LICENSE.txt
new file mode 100644
index 000000000..705db579c
--- /dev/null
+++ b/licenses/protobuf.LICENSE.txt
@@ -0,0 +1,33 @@
+Copyright 2008, Google Inc.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Code generated by the Protocol Buffer compiler is owned by the owner
+of the input file used when generating it.  This code is not
+standalone and requires a support library to be linked with it.  This
+support library is itself covered by the above license.