Merge m-c to fx-team
Merge branch 'fx-team' of https://github.com/mozilla/mozilla-central
Bug 806534 - Support regular expressions in extension id for blocklist entries. r=Mossop
Backed out changeset 704c91d3e7fa (Bug 814789) because of mac build-bustage
Bug 815450: Add "u" suffix to numeric literals in TestAudioEventTimeline.cpp, to fix sign-compare build warnings. r=ehsan
Bug 815367: Fix warnings for extra semicolons in media/mtransport/test/. r=jesup
Bug 813508 - no need in special HTML caption processing for accessible tree creation, r=tbsaunde
Bug 815499 - Force @supports pref on for test_supports_rules.html. r=bz
Bug 814907 - Add new CSS GroupingRule and ConditionRule interfaces. r=bz
Bug 815021 - Implement MediaRule.conditionText setter. r?
Bug 811946 - remove annoying compiler warnings and define a more structured interface for Bluetooth uuid, r=qdot
Bug 814907 - Fix test_interfaces.html failures. r=orange
Bug 813436 - tweaks to ensure a consistent UI as social is enabled/disabled/active/inactive.  r=jaws
Bug 813789 - avoid console errors about _dynamicResizer being null.  r=jaws
Bug 808422 - add 'Focus chats' as a keyboard-only item on the social menu.  r=jaws
Bug 814269 - social API keys should be disabled when command not available.  r=jaws
Bug 815058: Move callers of mozilla-internal-API-only "SetDOMStringToNull()" from nsINode.h to .cpp, to fix "inline function used but never defined" build warnings. r=Ms2ger
Merge branch 'fx-team' of https://github.com/mozilla/mozilla-central
Backed out changeset 132d2e88ef03 (bug 788977) for talos regression.
Merge branch 'fx-team' of https://github.com/mozilla/mozilla-central