new helper method for AGAL texture lookup flags
first version of DisplacementMapFilter

Beware: doesn't yet work with atlas textures for the displacement map.
avoiding more allocation side-effects
Merge remote-tracking branch 'refs/remotes/upstream/master' into fastMathNoApparat
added 'Image.setTexCoordsTo' method
added 'Texture.adjustTexCoords' method
finished DisplacementMapFilter
Merge remote-tracking branch 'refs/remotes/upstream/master' into fastMathNoApparat
added missing default value documentation
Include units more often in Tween.as ASDoc
fixed wrong DRW output when StatsDisplay was re-enabled; updated interval to 0.5 seconds
Merge pull request #364 from JKillian/patch-1

Include units more often in Tween.as ASDoc
fixed empty+fromColor constructors: width+height arguments need to be Numbers, not ints
Merge branch 'master' of github.com:PrimaryFeather/Starling-Framework
Removed memory counter from stats and changed frame rate of update interval.
Merge remote-tracking branch 'refs/remotes/upstream/master' into fastMathNoApparat

Conflicts:
	starling/src/starling/core/StatsDisplay.as
now limiting the region the filter draws into to object-bounds + margin
Merge remote-tracking branch 'refs/remotes/upstream/master' into fastMathNoApparat