Merge pull request #1 from libgdx/master

update
Merge pull request #2 from libgdx/master

Update private fork
Added a new method to get the angle and axis
better use gdx
Merge branch 'master' into quat_branch
rewrote InterpolationTest

- added time marker in the graph
- added ability to change duration using ctrl + scroll
- path is now drawn
- doesn't need any assets
I know this isn't of any importance, but I had to rewrite it anyway, so I added a few things.
Update InterpolationTest.java
replaced generated assets with test assets
fixed stupid NPE

Skin was local
Reduced the tolerance
Use long instead of void *
Pool btBroadPhaseProxy and btBroadPhasePair
Set prev field when reading json

Fixes #877
added bitmap pixmap copier for BDF/FON
Add missing double quote

Fixes #882
optimization arrays
Merge pull request #883 from QiXi/master

optimization arrays
Merge pull request #859 from davebaol/master

Updated GLSurfaceViewCupcake to GLSurfaceView from Android 4.3 (API 18) so to properly support onAttachedToWindow and onDetachedFromWindow
Merge pull request #880 from terefang/master

added bitmap pixmap copier for BDF/FON
Merge pull request #829 from VinceAngel/quat_branch

Added a new method to get the angle and axis