some code formatting and additional checks for FlxTilemapExt
little updates from @mrcdk
more fixes from @mrcdk and my fix for getRectangleFromTileset()
less creation of new bitmapdatas
less bitmapdata manipulations for FlxTileSpecial
Merge branch 'master' of https://github.com/HaxeFlixel/flixel-addons.git into tiled_map_extension

# By Zaphod
# Via Zaphod
* 'master' of https://github.com/HaxeFlixel/flixel-addons.git:
  less bitmapdata manipulations for FlxTileSpecial
  less creation of new bitmapdatas
  more fixes from @mrcdk and my fix for getRectangleFromTileset()
  little updates from @mrcdk
  some code formatting and additional checks for FlxTilemapExt

Conflicts:
	flixel/addons/editors/tiled/TiledLayer.hx
	flixel/addons/tile/FlxTileSpecial.hx