Bug 1099857 - about:support as homepage doesn't work with e10s r=Mossop
Bug 1096537 - Remove manually choosing the start index in `ThreadNode.prototype.insert`, r=fitzgen
Bug 1099436 - Add telemetry for dismissing Onboarding start pane. r=mfinkle
Bug 1099952 - loop-button is missing from @primaryToolbarButtons@, causing the icon to be squashed. r=ttaubert
Bug 1098556 - Rename locbar.pre.label to reflect new location bar preferences structure. r=Unfocused

--HG--
extra : rebase_source : c73b5f8944dc63817d8d5675780e2e4f59f2ca23
merge fx-team to mozilla-central a=merge