Bug 1037510, part 2 - Reduce GGC nursery size to 1MB on workers. r=khuey
Bug 1035570 (follow-up) - Fix a trivial tool-tip botch in about:memory. r=mccr8.

--HG--
extra : rebase_source : 8755dbb4e26b1fc68399ed8e8bd9fa2af78375aa
Bug 952977: More gfx::Matrix cleanup in layers code r=nical
Bug 952977: More gfx::Matrix cleanup in AsyncCompositionManager r=nical
Bug 952977: More gfx::Matrix cleanup in LayerTreeInvalidation r=nical
Bug 952977: More gfx::Matrix cleanup in LayerManagerComposite r=nical
Bug 952977: More gfx::Matrix cleanup in tests r=nical
Bug 952977: More gfx::Matrix cleanup in nsDisplayTransform r=nical
Bug 952977: More gfx::Matrix cleanup in TiledContentClient r=nical
Bug 952977: More gfx::Matrix cleanup in APZC r=nical
Bug 952977: More gfx::Matrix cleanups r=nical
Bug 952977: More gfx::Matrix cleanup in FrameLayerBuilder r=nical
Bug 952977: bustage fix on a CLOSED TREE to appease the compiler gods r=me
Merge m-c to inbound
Bug 1045561 Use a WebIDL Func attribute to conditionally enable Fetch Headers. r=ehsan r=bz
Bug 1045436 - Fix more bad implicit constructors in XPCOM; r=froydnj
Bug 1045415 - Stop pretending that content-contextmenu.svg needs to be preprocessed; r=gps

This fixes one build warning on the respective platforms.
Bug 1031945.  Don't expose showModalDialog on Window if it's preffed off.  r=smaug
Bug 957243. Fix test_bug602838.html to not assume server response ordering. r=mayhemer
Backed out 11 changesets (bug 952977) for reftest-no-accel failures

Backed out changeset ea2367c19da3 (bug 952977)
Backed out changeset c401c8748eb3 (bug 952977)
Backed out changeset a93e9ff1043b (bug 952977)
Backed out changeset 765b7f67163e (bug 952977)
Backed out changeset 3d8cf4f5777f (bug 952977)
Backed out changeset 8993710a3ab3 (bug 952977)
Backed out changeset 1298c39b745a (bug 952977)
Backed out changeset be0b899fbe5e (bug 952977)
Backed out changeset f69bea1f1feb (bug 952977)
Backed out changeset 1a745777f07e (bug 952977)
Backed out changeset 5ad1d18dfe17 (bug 952977)