A little clean up.
add method that casts to short.

Bloody annoying otherwise.
Triangulators changed to return triangle indicies. PolygonSpriteBatch refactored.
Moar utils.
Merge branch 'origin/master'
Forgot zee credits!
Fixed up PolygonSprite.
Update PolygonSpriteBatch.java

Docs wtf
Merge pull request #572 from jrenner/patch-1

Update PolygonSpriteBatch.java
Javadocs.
Merge branch 'origin/master'

Conflicts:
	gdx/src/com/badlogic/gdx/graphics/g2d/PolygonSpriteBatch.java
git sucks
Javadocs.
Javadocs, organization/cleanup.
Moar javadocs.
Comments.
Fix getFileHandle for Internal files in RoboVM
Add a method isPointInPolygon() with vertices passed trough Array<Vector2> instead of List<Vector2>. Mark old method as deprecated and use an auxiliary method for the main code for both functions.
Added add(T, float), remove(int), remove(T) and clear() methods to BinaryHeap.
Merge pull request #574 from hneuer/binaryheap

Added add(T, float), remove(int), remove(T) and clear() to BinaryHeap