Merge pull request #1 from libgdx/master

update
Merge pull request #2 from libgdx/master

Update private fork
Add derivative calculations to CatmullRomSpline

I added the calculation of the derivative of the spline. This finds the tangent of the curve at the desired point.
Default encoding to UTF-8.
Resizability for window.
Merge branch 'origin/master'
Added Function getRemoteAddress() for Socket so it´s possible to implement reconnection logic or peer to peer networking
Clean up.
Javadoc
Warnings
Disabeld states for checkbox.
Fixed isOver returning true after touch down, drag away, and touch up.
Add getters
Manage textures created by FreeTypeFontGenerator

Fixes #870, hopefully.
addAll methods.
Don't allow 0 max check count.
Exception for exceeding image limit.
Merge pull request #896 from MobiDevelop/issue-870

Manage textures created by FreeTypeFontGenerator
Add Matrix4#setTranslation(float, float, float)
Frustum: add methods using floats instead of Vector3