Bug 830996 - implement a way to DRY mozbase packages for m-c;r=wlach ; DONTBUILD because NPOTB
Bug 826135 - Throw if --utility-path points to ARM version of xpcshell, r=ahal
Backout Bug 793204 for installation failures. r=me
Merge m-c to inbound.
Bug 825379 - IonMonkey: Differential Testing: Getting different output w/without --ion-eager with forEach. r=dvander
Bug 816298 - Part 1: Allow child elements to override -moz-user-select:none. r=ehsan

--HG--
extra : rebase_source : f4e08713be0691c25b22510977c978088655ec8b
Bug 816298 - Part 2: Replace references to -moz-user-select:-moz-none with -moz-user-select:none. r=ehsan r=enndeakin

--HG--
extra : rebase_source : 4763e08113fb49a282fc04af072f60b74046e2c4
Bug 832949 - Disable common Organize options when the Downloads view is in use. r=mak.
Bug 831149 - Expose SpecialPowers to conent scripts via a lazy getter, r=philikon