Bug 907683 - Cleanup ipc/chromium/chromium-config.mk. r=bsmedberg
Bug 912832 - Inverse tiers and subtiers for build traversal. r=gps
Bug 912862 - Cleanup some wrong assignments in moz.build. r=ted
Bug 912856 - Add a compile 'tier' to build OBJS and HOST_OBJS. r=gps
Bug 911902 - Build ffi and icu during the compile tier instead of export. r=gps
Bug 912971 - Strip ./ from targets given to pymake on the command line. r=ted
Bug 912980 - Don't use VPATH in content/media/webspeech/recognition. r=gps
Bug 913005 - Avoid overwriting unchanged stl_wrappers. r=ted
Bug 913134 - Avoid some build races in mobile/android/base. r=gps