[[ ThreadedRendering ]] Added march flag to kernel and libgraphics makefile to get sync primitives to compile.
[[ Bug ]] Fixed Linux crash due to static variable initialisation causing issues with certain compilers.
[[ ThreadedRendering ]] Make sure we draw Mac tiles to the correct location in the backing buffer.
Merge branch 'feature-threaded_rendering' into develop
[[ ThreadedRendering ]] Disabled threaded rendering on Windows due to thread saftey issues with the player object.
[[ ThreadedRendering ]] Fixed typo in docs note.
Merge branch 'feature-threaded_rendering' into develop
Merge branch 'develop' of https://www.github.com/runrev/livecode into 6_7_dp_7_merge

Conflicts:
	engine/src/util.cpp