Fixed first().
scene2d refactoring: List, SelectBox, Tree now use Selection.

http://www.badlogicgames.com/wordpress/?p=3307
Fixed List touchDown.
Better Selection choose logic.
ArraySelection for range select (shift).
Javadoc
Update JsonValue.java

Line 308, switch needs to test value's type, as opposed to object's type, as with other #asArray methods.
Merge pull request #1392 from danielheim/patch-1

Update JsonValue.java