Bug 778085 followup - fix typo in help message. DONTBUILD
Bug 836513 - Support multiple object stores in IndexedDBHelper.jsm. r=gwagner
Bug 830855 - Remove JSScript::principals (sort of) (r=luke)

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extra : rebase_source : 584a12fbae35888d7c6f66dc0e0d403af7cc0fe0
Bug 818670: Enable AEC in PeerConnection, AGC/NoiseSuppression in gUM (w/bustage fix) r=derf
Bug 818670: merge AudioConduits to allow AEC to work r=ekr
Bug 818670: Ensure PipelineListener doesn't release conduit off main thread r=derf