Bug 880886 - Always allocate AsmJS's JSFunction in tenured; r=bhackett

--HG--
extra : rebase_source : 756c4326cedc0dfda0d1f83573fe2c277ff38073
Bug 872870 - Use GetParentNode() instead of GetParent() in UndoManager. r=ehsan
Bug 579517 follow-up: Remove NSPR types that crept in