AnimatedTile support in TmxMapLoader
No reason to use a HashMap at all.  Array will suffice
Update AnimatedTiledMapTile to support per-frame intervals, and converted
the TmxMapLoader to use it.
spacing
more spacing
Use simple arrays to conserve memory
Merge pull request #2077 from psperl/animatedtiles

AnimatedTile support in TmxMapLoader