todo.txt

particles
	persitence should use json so additions won't break saved files
	javadoc
json
	disable reflection to parse into map/array
tablelayout
	add cell to existing row
		http://www.badlogicgames.com/forum/viewtopic.php?f=11&t=2784
	simplify DSL by removing widget properties?
	use {name:xxx} instead of [xxx:{}]
sound
	ogg problem
		http://www.badlogicgames.com/forum/viewtopic.php?f=11&t=869&p=14117
NinePatch
	add scale, eg for a button pressed state
TextureAtlas
	use json?
	add support for NinePatchs
Skin
	use a TextureAtlas instead of custom atlas
		this separates the regions and patches from styles and resources
scene2d
	refactor to not use public fields
	new input system, similar to inputprocessor
		need button parameter, not just pointer
	refactor action system
		put action classes in action package
		use Interpolation
	Slider
		add snapping to the knob
	TextButton
		add region/patch constructors
	FlickScrollPane
		use layout to determine clipping
	javadoc
	wiki docs
3D
	fbx/collada/etc -> unity -> json -> libgdx model & scene binary
	skeletal animation
	model batching/instancing
	scene graph
	materials
	particles
docs
	wiki
	documented examples
replace TileD
remove junk
	current 3D stuff
	TextureRef, TextureDict
DecalBatch
	slow
	remove?