Bug 856771 - Protect the source buffer nodes from leaking when their binding goes away without being played back; r=roc

This is the real part of the patch which was dropped from the previous commit.
Bug 857275 - Remove RasterImage::FrameUpdated. r=jrmuizel

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extra : rebase_source : 4d8209630bb8da562530a817f43cfd49243a379a
bug 836452 implement service install panel, cleanup activation panel. r=markh
Bug 855064 - Remove DASH references in media unit tests r=cpearce
Bug 855064 - Exclude DASH code from default builds r=cpearce
Bug 843907 - Move MapObject and SetObject's key to manual post-barriers; r=jorendorff

--HG--
extra : rebase_source : ae9d62120c1a0f212c266bbf3879010cd48e3124
bug 856772 fix japanese/chinese/etc text in social manifests. r=gavin
Bug 784739 - Switch from NULL to nullptr in editor/; r=ehsan
Bug 784739 - Switch from NULL to nullptr in chrome/; r=ehsan
Bug 784739 - Switch from NULL to nullptr in caps/; r=ehsan
Bug 784739 - Switch from NULL to nullptr in b2g/; r=ehsan
Bug 856728 - TopSitesView.java executes a DB cursor on the main thread r=lucasr
Bug 855730  - To determine the root of the intermittent failures in the last mochitest from bug 840388, rearrange the tests so that the failing test is not the last test.  Do this by first running the tests with the mixed active content allowed and then run them with mixed active content blocked. r=smaug
Bug 856833 part 1.  Make JS_ObjectIsDate use ObjectClassIs.  r=waldo
Bug 856833 part 2.  Make JS_ObjectIsRegExp use ObjectClassIs.  r=waldo
Bug 856833 part 3.  Rip out no longer needed proxy-unwrapping code.  r=waldo
Bug 856215.  Fix conversion of sequences of sequences to JS to not screw up its indexing.  r=khuey
Bug 855582 part 1.  Make JS_DefineFunctions and JS_DefineProperties take const function specs and property specs respectively.  r=waldo
Bug 855582 part 2.  Make the bindings' various spec arrays const, and make the jitinfo structs static.  r=khuey
Bug 784739 - Switch from NULL to nullptr in docshell/; r=ehsan

--HG--
extra : rebase_source : 3fd9a17d97fc1f11b9b127f14d8787f18c92f5a9