Code review fixes

src/project/ProjectManager.js

@@ -77,6 +77,14 @@ define(function (require, exports, module) {
      */
     var _projectTree = null;
     
+    function canonicalize(path) {
+        if (path.length > 0 && path[path.length - 1] === "/") {
+            return path.slice(0, -1);
+        } else {
+            return path;
+        }
+    }
+    
     /**
      * @private
      * Reference to previous selected jstree leaf node when ProjectManager had
@@ -264,7 +272,7 @@ define(function (require, exports, module) {
                 fullPath = entry.fullPath;
 
                 // Truncate project path prefix, remove the trailing slash
-                shortPath = FileUtils.canonicalizeFolderPath(fullPath);
+                shortPath = fullPath.slice(projectPathLength, -1);
 
                 // Determine depth of the node by counting path separators.
                 // Children at the root have depth of zero