little work on collider
better bounding box calculation
Merge branch 'master' into FlxSpine

Conflicts:
	source/FlxSpine.hx
Merge branch 'FlxSpine' of https://github.com/Beeblerox/FlxSpineSprite into FlxSpine
Cleaned up FlxSpine class, and added performance logs (export/windows/cpp/bin/peft.txt) to help with optimizations
Fixing performance issue introduced in last change.
Removed debugging code.
Merge pull request #1 from crazysam/FlxSpine

Cleaned up FlxSpine class, and added performance logs
Merge pull request #2 from crazysam/FlxSpine

Removed debugging code.
flipX, flipY properties

flipX is affecting facing property also
rotation and scaling support
FlxSpine destroy() method. FlixelTextures for better memory management
origin support
a little bit less calculations for drawing
moving flixel textures in their own package