Bug 878446 - Disable libyuv asm without SSSE3 as well. r=jesup
Bug 844818 - Make WebRTC aware of --enable-alsa/--enable-pulseaudio. r=jesup,ted
Bug 844430: Add the correct build defines to fix libsctp on NetBSD/OpenBSD/Dragonfly. r=jesup
Bug 618485: Finally remove uintptr_t word payload union member on 64BE, it grows jsval_layout size and is unused. r=luke
Backing out 0acfbc3b4941 (Bug 844818) for b2g bustage.