Merge pull request #258 from sergey-miryanov/dev

Support of rotated sprites in TexturePacker atlases
Refactore FlxSprite.draw a bit
Refactore FlxTileblock.draw
Refactore FlxSkewedSprite.draw
Refactore FlxBar.draw
Refactore photonstorm/FlxBitmapFont.draw
Refactore photonstorm/fx/GlitchSprite.draw
Refactore photonstorm/fx/StarSprite.draw
Refactore pxText/FlxBitmapTextField.draw