Bug 741047 - Implement opening in-content preferences to a given view. r=Gijs

--HG--
extra : rebase_source : 9b9c58a967bb52b596457f41b697085c46fb0ba6
Bug 738797 - Enable the in-content preferences by default. r=Unfocused

--HG--
extra : rebase_source : bcff4e914e2b66da1b7a5b93ef21dc153519b6e4
Merge m-c to fx-team.
Bug 921136 - Unify removal behavior for bookmark-history-readinglist items from Home items. r=margaret
Bug 1011666 - GeckoSharedPrefs cleanup. r=mcomella
Bug 1011727 - Remove extra rules from themes/windows/devtools/debugger.css which are not in other platforms, r=bgrins
Merge m-c to fx-team
Bug 996635 - fix removing widgets from outside their area, r=jaws

--HG--
extra : rebase_source : c6e5fc5b2cb5e79f4fb7c1307c383157f8577c61
Bug 1011425 - adding missing label for autorefresh checkbox, r=ttaubert
No bug, Automated HSTS preload list update from host bld-linux64-spot-358 - a=hsts-update
Merge m-i to m-c
Merge f-t to m-c
Merge m-c to m-i