Bug 901343 - Tests that use createSystemXHR are failing on b2g mochitest. r=sicking
Bug 865387 - Changes to |options| and |clone| in OS.File. r=Yoric
Bug 865387 - Handle the read-ahead flag operation on Linux. r=Yoric
Bug 903433 - Add FinalizationWitnessService. r=Waldo, r=glandium, sr=Mossop
Bug 903433 - Report unhandled Promise.jsm exceptions upon garbage-collection. r=paolo