Added support for flipped tiles
Added support for flipped tiles

Added support for flipped tiles (horizontally, vertically or diagonally)

New properties added to TMXTile:

var flippedHorizontally = false          /// Is this tile flipped horizontally
var flippedVertically = false              /// Is this tile flipped vertically
var flippedDiagonally = false           /// Is this tile flipped diagonally
devindazzle/TMXTiledMap,devindazzle/TMXParser