Added a Scene2DDebugRenderer.
Made colours configurable.
Table debug rendering included.
Small JavaDoc change.
Actors now know themselves how to debug render. Adjusted all tests. Added a new Scene2DDebugRendererTest.
Conflicts resolved.
Removed an unused method.
Small bugfix and renamed fields.
Removed the final modifiers for colors.
Dialog can be showed or hidden with custom action
Javadoc
Support nested iteration.
Javadoc
Began work on TextureAtlas support for BitmapFontLoader

-Added a field to the BitmapFontParameter
-Improved documentation a bit
Added support for BitmapFontLoader to load regions from TextureAtlases

-Not tested!
Added missing Decal.setRotation method.
More support for loading BitmapFonts from atlases
Added a test for this PR
Added a test for proper disposal of resources
Added the resources for the BitmapFontAtlasRegionTest