BitmapFilters for FlxSprite and FlxText now work for native targets.
update thread
Reset widthInTiles on multiple loadMap calls

Fixes the issue in FlxTilemap.loadMap where calling 
it on the same FlxTilemap more than once
wouldn't reset the widthInTiles field.
FlxAssets.addBitmapDataToCache() method for more control over caching
Fixing input and state reset issues with threaded builds.
FlxText color setter fix
Merge remote-tracking branch 'origin/dev' into texture_atlas
Merge remote-tracking branch 'origin/dev' into texture_atlas
start merging update methods
second commit with update method merging (NestedSprite not updated yet)
NestedSprite update merging
started separation of normal and debug drawing (for further possible optimization)
finished splitting drawing methods for non-flash targets
Merge remote-tracking branch 'origin/dev' into texture_atlas
fixes for debug drawing mode which appeared after separation of drawing methods
moved part of TileSheetData functionality into new TileSheetWrapper class (need for further work on atlases)
removed TexturePackerSprites class (now it have new name - TexturePackerFrames)
moved frame data structures to separate classes
some work on moving texture packer functionality from one classes to another (still not finished)
little more work on texture atlases + bug fix for PxBitmapFont