LGTM
http://codereview.appspot.com/224094/diff/2001/2002 File java/gadgets/src/main/java/org/apache/shindig/gadgets/rewrite/ProxyingLinkRewriter.java (left): http://codereview.appspot.com/224094/diff/2001/2002#oldcode67 java/gadgets/src/main/java/org/apache/shindig/gadgets/rewrite/ProxyingLinkRewriter.java:67: result.append(rewriterFeature.getFingerprint()); There is no "fingerprint" in new code. Is that cover by versioning? are you plan to implement it in shindig? http://codereview.appspot.com/224094/show
