expose getRenderContainer()

src/core/kityminder.js

@@ -18,8 +18,8 @@ var KityMinder = km.KityMinder = kity.createClass( "KityMinder", {
         this._rc.addShape( this._root.getRenderContainer() );
     },
 
-    getDrawingArea: function () {
-        return this._paper;
+    getRenderContainer: function () {
+        return this._rc;
     }
 } );