Bug 886584 - Enable scrolling/pan on start-ui from tiles. r=fryn
Bug 887627 - Avoid /sys/power/wait_for_fb_* on jb-gonk. r=mwu
backout 1c865eaf5dd8 for red/orange tests
Bug 885908 - use js_malloc instead cx->malloc inside ScriptSource::chars to avoid triggering GCs for large scripts (r=billm)

--HG--
extra : rebase_source : 87e4669be579cb7b9f836856e1bfb4bfcd0e6669
Bug 884473: Integrate perf with Odinmonkey: functions profiling; r=sstangl
Bug 884473: Integrate perf with OdinMonkey: basic blocks profiling; r=sstangl
Bug 884473: puts a warning message when compiled with --enable-perf and no env variable is given; r=sstangl
Bug 885351: make sure defaultEngine and currentEngine are always in sync, including when the prefs have invalid values or after an upgrade from <FF23, r=MattN

--HG--
extra : transplant_source : Z%E3%AE%91%1D%D5%930%DE%F7%EA%F4dG%C7%B2%0B%9F0i