Added a way to get the BB in the world coordinate frame
Revert "Added a way to get the BB in the world coordinate frame"

This reverts commit e5863e792ce576eb1abc38b15ddad5e0c7b59a90.
Added world bounding box
Merge branch 'master' of https://github.com/VinceAngel/libgdx

Conflicts:
	gdx/src/com/badlogic/gdx/graphics/g3d/ModelInstance.java