fixed gradle template to use latest robovm gradle plugin
Button should still fire the change listener when disabled and checked state is changed programmatically.
It appears sorting based on y up/down is not necessary.

It gives incorrect results with clockwise, colinear points.
Merge branch 'origin/master'
Avoid resize being called twice at app start, LWJGL.

Display.wasResized() returns true the first time through the game loop.
Refactoring for viewports.

#1504
Merge branch 'origin/master'
Renamed viewports.
Bit fancier viewports using Scaling.

Kept the Fit/Fill/StretchViewport classes so the API is nicer to use.
Javadocs and cleanup.
Changes.
Merge branch 'master' of https://github.com/libgdx/libgdx
Add m_rollingFriction getter/setter to btRigidBodyConstructionInfo
Merge pull request #1510 from alex55i/master

Add m_rollingFriction getter/setter to btRigidBodyConstructionInfo
Viewport no longer has to change camera position.
Merge branch 'origin/master'
Expand documentation for BitmapFont.
Fix typos in the documentation