Merge branch 'master' of https://github.com/libgdx/libgdx
Merge branch 'master' of https://github.com/libgdx/libgdx
Merge branch 'master' of https://github.com/libgdx/libgdx
Merge branch 'master' of https://github.com/libgdx/libgdx
Merge branch 'master' of https://github.com/libgdx/libgdx
Proposal: platform-independent IAP design (low-level)
Merge branch 'master' of https://github.com/libgdx/libgdx
Update for IAP functionality:
(1) observer renamed to listener
(2) made PurchasedItem a class (no need for interface)
(3) added PurchaseValidator: template for post back validation of purchased items on server
Merge branch 'master' of https://github.com/libgdx/libgdx
Merge branch 'master' of https://github.com/libgdx/libgdx
Merge branch 'master' of https://github.com/libgdx/libgdx
Merge branch 'master' of https://github.com/libgdx/libgdx
Update backends/gdx-backend-iosmonotouch/src/com/badlogic/gdx/backends/ios/IOSSound.java

-better PlayThread
-findAvailablePlayer should return "index", not "i"
objloader fixes to work with gl20
Add ClosestNotMeConvexResultCallback and ClosestNotMeRayResultCallback
lightmapping using own texcoords
Fix : Can not get current focus when show on screen keyboard.
Merge pull request #139 from indiumindeed/master

Added getter and setter for stepSize of Slider in Scene2d.
Added gdx-audio natives to classpath.
Fixed AudioTools toFloat.
1159, fixed passing null to Json writeValue methods. Javadocs for returning null.