Bug 991134 - Output an additional failure line for loadfailed: null failures to make bug 789751 and bug 720452 TBPL starable; r=dbaron
Bug 997006 - rename text-combine-horizontal to text-combine-upright. r=dholbert
Bug 996929 - Implement OptimizeSourceSurface for all Moz2D backends. r=Bas
Bug 877193 - Reduce memory usage for RTSP streaming. r=sworkman
Bug 898963 - Odinmonkey (ARM): Optimize asm.js FFI calls to Ion functions, trim regs saved, inline activation and deactivation. r=luke
Bug 898963 - Odinmonkey (ARM): Refactor GenerateFFIInterpreterExit. r=luke
Bug 957666 - Send back a huge retry reconnection time in delayedServerEvents.sjs. r=ehsan
Bug 992185 - Download location preference field not initializing properly. r=gavin
Bug 996688 - Prevent potential crash in RtspConnectionHandler::parsePlayResponse. r=sworkman
Bug 997380 - Resolve ambiguous reference to strdup. r=bjacob
Bug 996268 - Move traversal rule prefilter to constants. r=yzen
Bug 996821 - Force semantic HTML elements to have accessible objects. r=surkov
Bug 997527 - Remove debugging code from bug 960828. r=me a=me DONTBUILD
Backed out 2 changesets (bug 996821, bug 996268) for mochitest-a11y failures on a CLOSED TREE.

Backed out changeset fceba10dc04b (bug 996821)
Backed out changeset 31b7ff03d496 (bug 996268)
Merge m-c to inbound on a CLOSED TREE.
Bug 996430 - Remove FxAccountsUtils.jsm. r=ttaubert.

--HG--
extra : rebase_source : 797c0af77bedf9e5c768bd7083dda4f8d80610a9
Bug 996989 - Remove unneeded import of PopupNotifications.jsm in PeerConnection.js. r=jib.
Bug 997026 - Part 1: Fix clang -Wunused-const-variable warnings in xpcom. r=froydnj
Bug 997026 - Part 2: Fix clang -Wunused-const-variable warning in startupcache. r=froydnj
Bug 996268 - Move traversal rule prefilter to constants. r=yzen