Bug 863897 - Update doc comment for CheckArg in nsAppRunner.cpp [r=bsmedberg]

DONTBUILD (comment-only change)
Merge birch to m-c.
Merge the last PGO-green inbound changeset to m-c.
Bug 860934 - Use relative paths when handling device storage r=dougt
Bug 859727 - Remove routing logic from BluetoothScoManager, r=echou, r=rlin
Bug 862306 - Route audio stream to BT_SCO in AudioManager. r=mwu
Bug 862500 - Properly shutdown profiler in xpcshell, shutdown and error cases. r=snorp

--HG--
extra : rebase_source : 22eeccdcee83e3fd03687e6b969b143502a9c5fc
Backed out changeset 8f7ef60b6f5a (bug 860934) for mochitest asserts and crashes.
Bug 863325 - Send correct result with Reader:Added message (r=bnicholson)
Bug 863094 - Infinity/-Infinity/NaN defaults for unrestricted types, r=bz

--HG--
extra : rebase_source : c2495008be9b084656222e6a0773c72d5224e9cc
Bug 862351 - Don't enqueue messages sent to a different inner window. r=gwagner

--HG--
extra : rebase_source : 74bf8a9000bbb323dfad42fd7aa1ab89f7a6b0f2
Merge m-c to inbound.
Backed out changeset 36ffb85842ac (bug 862501) for mochitest crashes.
Backed out changeset 7610346a34ee (bug 859705) for intermittent Android xpcshell failures on a CLOSED TREE.
Backed out changeset 3b8dcd393805 (bug 859705) for intermittent Android xpcshell failures on a CLOSED TREE.
Merge m-c to inbound.
Bug 865172 - Add z-index to cross-sliding tiles so they overlap when dragged. r=mbrubeck

--HG--
extra : rebase_source : e19147af09f1df53a823adfd0176cc56f32574de
Bug 778216 - Add a pref to show the url instead of title. r=mfinkle
bug 699331 - pt 1 - replace hardcoded font-loader constants with prefs to allow easier tuning. r=jdaggett
bug 699331 - pt 2 - read info for fewer families each time the font-loader runs. r=jdaggett