FlxPhysState.CreateWalls() improved.
Merge remote-tracking branch 'Beeblerox/flixelNME' into flixelNME
FlxPhysSprite mainBody renamed to body.

createWalls() variable name amends.
Nape debug graphics camera follow sync fix by : rbourdon
Merge branch 'flixelNME' of https://github.com/ProG4mr/HaxeFlixel into flixelNME
First sprite filters mechanism.
Added method to change the sprite clipping area, important for filters like outerglow or dropshador or blur.
Correction for sprite position after changing the clipping area.
Added filters for FlxText

Fixed setClipping for neko
Fixed FlxText performance issue - FlxText was updating every frame without dirty = false at the end of calcFrame().
Merge remote-tracking branch 'Beeblerox/dev' into flixelNME

Conflicts:
	src/org/flixel/FlxText.hx
Merge pull request #233 from ProG4mr/flixelNME

FlxSrite and FlxText Filters