Careful not to load all projects in an autosave cycle.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@1037 7d457c2a-affb-35e4-300a-418c747d4874

main/src/com/metaweb/gridworks/ProjectManager.java

@@ -195,7 +195,7 @@ public abstract class ProjectManager {
         synchronized (this) {
             for (long id : _projectsMetadata.keySet()) {
                 ProjectMetadata metadata = getProjectMetadata(id);
-                Project project = getProject(id);
+                Project project = _projects.get(id); // don't call getProject() as that will load the project.
 
                 if (project != null) {
                     boolean hasUnsavedChanges =