Resolve 'collision.com.badlogic.gdx.physics.bullet.collision' issue
Added a VirtualViewport to help with keeping the aspect ratio and
handling a fixed viewport.
Getter for canvas element
Merge remote-tracking branch 'upstream/master'
Added listener which runs method beforeSetup before setup of the canvas
and afterSetup after creation of the canvas
Added viewports with tests.
Removed the old VirtualViewport utility.
MipMap, filtering, texture format support for 3D model loaders
Make the emulated utils classes in the gwt backend final as well.
Use pack file name up to first dot, not last.

Eg, for "pack.atlas.txt".
Merge branch 'origin/master'
Added StaticViewport and changed the viewport architecture in total
Merge branch 'master' of https://github.com/libgdx/libgdx
Merge pull request #1487 from lioncash/util-final

Make the emulated utils classes in the gwt backend final as well.
Merge pull request #1413 from olibye/master

Resolve 'collision.com.badlogic.gdx.physics.bullet.collision' issue
added a simple Gdx.net test
some more meat...
made test a bit more extensive
Added javadoc
fixed issue #1368