added setSpriteBatchBeginEnd to BatchTiledMapRenderer to make the spriteBatch begin/end calls inside the render method optional
Fix default shader
Merge pull request #734 from xoppa/3dapi

Fix default shader
Fix test shaders
Merge pull request #735 from xoppa/3dapi

Fix test shaders
Added render hooks.
Moved AnimatedTiledMapTile.updateAnimationBaseTime(); into render-hook.
Merge pull request #732 from hneuer/tiled

added setSpriteBatchBeginEnd to BatchTiledMapRenderer to make the sprite...