Bug 899939 - Fix some tests that still use prefBranch instead of SpecialPowers.pushPrefEnv. r=jmaher
Bug 852250 - When restarting recompute the process startup timestamp instead of using the timestamp stored it in MOZ_APP_RESTART during the shutdown procedure. r=nfroyd
Bug 889182 - mozapps/extensions xpcshell tests cannot be run concurrently. r=Unfocused
bug 763903: regularly run mozconfig comparisons. r=gps/bhearsum

--HG--
extra : rebase_source : bce7ca1529dd139f92ddb42f898aea3842ae0689
Bug 898964 - Exactly root the global JSObject*'s in testResolveRecursive; r=sfink

--HG--
extra : rebase_source : e53220ba681b6f8ce7d82f414807efc6173e3863
Bug 900011 - Set initial content description on Search or Go image button. r=sriram
Bug 899759 - Prevent JS_NondeterministicGetWeakMapKeys from GCing while iterating over a weakmap (r=sfink)
Bug 892267 - Fix incorrect application of scaling the render offset. r=Cwiiis
Bug 899759 - Bustage fix on a CLOSED TREE.