Bug 883892.  Remove HTMLFormElement classinfo.  r=peterv
Bug 816343.  Remove nsIDOMNodeSelector.  r=smaug
Bug 884400.  Remove the non-WebIDL version of NS_IMPL_NS_NEW_HTML_ELEMENT.  r=peterv
Bug 884373.  Align WebIDL handling of default parameters with ES6.  r=khuey
Bug 887191 - Force wrapped JS listeners to proxy callbacks to the main thread if no target is specified. r=mcmanus