Port bug 619558 - Enable Generational GC on desktop. rs=port-by-build-system-peer to fix bustage and having previously spoken to jcranmer,a=Standard8
Bug 1085003 - Fix JavaScript error in systemIntegrationDialog.js. r+a=Standard8
Bug 1069819 - fix ReferenceError about let changes in feed-parser.js. r+a=Standard8