The texture manager can now actually scale things down (or up)
Graphics texture manager tweaking and docs update
Doc typo fix
Doc update
Turn impulse source optional by changing parameter order
Renaming and adding various functions: now we have getVisible2dAreaDimensions,
and scaleUpToDimensions
Sprite usage reporting to texture manager
Work on collision callback
More work on resolving issues with the collision callback
Work on caching disabled object contacts to improve performance
Fixed crash bugs with new stored disabled contacts code
Adding 2d rotation, updating docs
Some physics code refactoring
Various texture manager fixes
Using more sensible budget values
Merge branch 'jonas' of github.com:JonasT/Blitwizard

Conflicts:
	docs/modules/blitwizard.html