looks good, just minor stylistic suggestions..
http://codereview.appspot.com/2104046/diff/21001/22001 File java/gadgets/src/main/java/org/apache/shindig/gadgets/servlet/JsHandler.java (right): http://codereview.appspot.com/2104046/diff/21001/22001#newcode188 java/gadgets/src/main/java/org/apache/shindig/gadgets/servlet/JsHandler.java:188: * GagdetContext implementation for JsHandler which is called by FeatureResgistry. spelling nit... s/Resgistry/Registry/ http://codereview.appspot.com/2104046/diff/21001/22001#newcode199 java/gadgets/src/main/java/org/apache/shindig/gadgets/servlet/JsHandler.java:199: public RenderingContext getRenderingContext() { extra indent here.. http://codereview.appspot.com/2104046/
