Bug 844403 - Make VectorImage cancel all listeners when destroyed. r=dholbert
Merge inbound to m-c.
Bug 835260 - Need B2G version number for composing update URL. r=marshall_law
Bug 842805 - Use of API deprecated in Qt5. r=romaxa, r=glandium
Bug 845117 - Mark js/ipc as FAIL_ON_WARNINGS. r=smaug
Bug 845063 - Remove the dummy global private browsing service; r=jdm

--HG--
extra : rebase_source : 400d1240f8cb016d4183c64cab353a753b3fe74d