Bug 1025103 - blame preprocessor limitation for lack of clarifying parentheses in complex conditional directive; r=rnewman
Bug 1023914 - Turn empty view image padding into margin. r=lucasr
Bug 1023544 - Add back ability to remove dynamic panels in settings. r=liuche
Bug 1024778 - Part 1: Use the correct containing layout in the RemoteTabsVerificationPanel. r=lucasr
Merge m-c to fx-team
Bug 1016138 - Add telemetry probe for master password usage. r=dolske
Bug 1024812 - unhandled exceptions in hawkclient no longer cause sync to hang. r=rnewman
Bug 1007215 - Add UI telemetry for Casting actions r=liuche
Bug 1007215 - Update telemetry docs for Casting actions r=liuche
Merge f-t to m-c, a=merge