Math fixes and additions:
quaternion setFromAxes function fixed
Vector3 mul with Matrix3 function added
Matrix3 added function setFromAxis
Refix quaternion setFromAxes
added fast normalization to vectors classes
added fast inv sqrt to MathUtils
added FastMathTest class
Resolve 'collision.com.badlogic.gdx.physics.bullet.collision' issue
Added possibility to override the way of searching for a library on each platform.
Added isIdentity method
Added a VirtualViewport to help with keeping the aspect ratio and
handling a fixed viewport.
Natives: Switched to java.runtime.name for Android

We currently check the VM name which is Dalvik, but in the future this vm name might change to ART. In order to make sure that applications do not break if such a change occurs, switching now might be the best option
Cleaned up the changes.
Updated Changes
Merge pull request #1436 from Unkn0wn0ne/patch-2

Updated Changes
Added isEqual methods to MathUtils
Added tolerance to isIdentity method of Quaternion class
Merge pull request #1439 from bartolkaruza/master

Fixed AndroidFragmentApplication lifecycle issue
Disallow nulls in Selection.
Merge branch 'origin/master'
Fixed warnings and javadocs.

How do people commit when there are warnings?!
Removed multiple mesh support.

Mesh#forceVbo is gone, so is this. It fixed performance problems on my HTC G1, time it goes.
ERS DA SERC FERMAHTATERTATTEN SERCKERS!

ER ERM ERL YER FERTHERS
Removed GLCommon.
Fixed GWT from removing GLCommon.

I hope.
More precise desktop OpenGL reqirement detection.