Bug 894538 - Don't use -static-stdc++ on b2g. r=ted
Bug 895248 - Move --enable-stdcxx-compat in build/unix/mozconfig.linux. r=ted
Bug 895253 - Disable crash reporter when cross building across different OSes (e.g. OSX android builds). r=ted
Bug 895083 - Set NS_STDCALL to nothing on WIN64. r=ehsan