Backdrop repeated one too many in both x and y on native.
Sound wasn't stop at the end on native.
Image couldn't take a BitmapData as source on native.
scaled and flipped Images on native were not positioned correctly
Merge pull request #132 from kpaekn/master

Scaled and flipped Images on native were not positioned correctly.
Nameless Images couldn't be flipped on native.
Fixing multitouch memory leak in Flash
Tilemap (and Canvas) can now be scalled.
https://github.com/HaxePunk/HaxePunk/issues/78
setHitboxTo prefers originX/Y before x/y (benefits Text)