Bug 898472 - Give Browser Debugger window a title. r=vp
Bug 923218: Don't show the default favicon until a failure to load a favicon has happened. r=rnewman
Bug 914296: Add more intelligent caching to the Favicons system. r=rnewman
Merge m-c to fx-team
Bug 451283 - Move log4moz.js to Toolkit as Log.jsm. r=gps,Mossop

--HG--
rename : services/common/log4moz.js => toolkit/modules/Log.jsm
rename : services/common/tests/unit/test_log4moz.js => toolkit/modules/tests/xpcshell/test_Log.js
Bug 451283 - Bustage fix for Marrionette. r=bustage
Backed out changeset 1ee5030003af (bug 451283) failures in marionette and mochitests
Backed out changeset 2f67ed3d7d6c (bug 451283) failures in mochitest and marionette

--HG--
rename : toolkit/modules/Log.jsm => services/common/log4moz.js
rename : toolkit/modules/tests/xpcshell/test_Log.js => services/common/tests/unit/test_log4moz.js
Bug 901343 - Tests that use createSystemXHR are failing on b2g mochitest. r=sicking
Bug 865387 - Changes to |options| and |clone| in OS.File. r=Yoric
Bug 865387 - Handle the read-ahead flag operation on Linux. r=Yoric
Bug 903433 - Add FinalizationWitnessService. r=Waldo, r=glandium, sr=Mossop
Bug 903433 - Report unhandled Promise.jsm exceptions upon garbage-collection. r=paolo
Merge m-c to fx-team.
Bug 777451 - Allow adding files into roboextender for tests. r=gbrown
Bug 914377 - Intermittent testShareLink | Exception caught - junit.framework.AssertionFailedError: View is null and can therefore not be clicked! r=gbrown
Bug 926129 - Do LoadFaviconTask result chaining in constant stack space. r=rnewman
Bug 926129 - Follow-up: null check. r=trivial
Merge f-t to m-c