Bug 717637.  Stop using non-global parent objects for everything that's not an element, since having a mix of parent objects makes us fail shape guards in the JIT.  r=peterv
Bug 865961.  Root the scope argument of wrap-the-xpconnect-object helpers in WebIDL bindings.  r=ms2ger
Bug 865947 - Force all string event handlers to be evaluated in the content scope. r=jaws,bz