Ugh.
Some code on scaling. Mayhem.
Merge remote-tracking branch 'upstream/master' into physics_api_fix_readable_2013-05-03
Fixed physicsinternal.h
Merge remote-tracking branch 'upstream/master' into physics_api_fix_readable_2013-05-03

Conflicts:
	src/physicsinternal.h
Merge remote-tracking branch 'upstream/master' into physics_api_fix_readable_2013-05-03
Fixed some issues.
Preparation for merge.
Merge remote-tracking branch 'upstream/master' into physics_api_fix_readable_2013-05-03
Finished preliminary, untested implementation of physics_set2dScale().
Modified warnings.
Formatting.
Some fixes.
Minor include tweak
object:onMouseClick now working!
Making object:setInvisibleToMouse work
Some optimizations, fixing blitwizard.graphics.setMode crash
Fixing a crash issue
Committing current state for debugging
Merge remote-tracking branch 'upstream/master' into physics_api_fix_readable_2013-05-03