Add FrameBuffer#bind/unbind
Make FrameBuffer#unbind() static
Added ByteArray.

#changes
#closes 1245
Merge pull request #1243 from xoppa/master

Add FrameBuffer#bind/unbind
Merge branch 'master' of https://github.com/libgdx/libgdx into vertexattributes
Need to switch branch...
Make VertexAttributes implement Iterable
Make inner classes private
Merge pull request #1249 from xoppa/master

Make VertexAttributes implement Iterable
Merge branch 'master' of https://github.com/libgdx/libgdx into vertexattributes

Conflicts:
	gdx/src/com/badlogic/gdx/graphics/VertexAttributes.java