Bug 1043954 - Export nspr headers in a different directory during the target rule. r=gps
Bug 1043802 - Remove TOOLS_DIRS and TEST_TOOLS_DIRS. r=gps
Bug 1043820 - Remove PARALLEL_DIRS. r=gps
Bug 1043862 - Make the binaries target use the compile tier. r=gps
Bug 1043865 - Remove the remainder of compilation bits from the libs tier. r=gps
Bug 1043869 - Derive build dependencies for programs and libraries from make backend data instead of getting them from expandlibs. r=mshal
Bug 1044458 - Work around l10n jobs cherry-picking parts of the build system on a CLOSED TREE. r=mshal,a=ryanvm