use CameraInputController for bullet tests
Remove unneeded code
Merge pull request #343 from xoppa/new3dapi

new3dapi: use CameraInputController for bullet tests
Add MeshPartBuilder#setColor, line, triangle, primitiveType etc.
Merge branch 'new3dapi' of https://github.com/libgdx/libgdx into new3dapi
Add vertex attribute defines to DefaultShader
Add base 3d test
Merge pull request #350 from xoppa/new3dapi

New3dapi: various changes
Fix colorSet and basic shapes
Merge pull request #352 from xoppa/new3dapi

Fix colorSet and basic shapes