Merge branch 'master' of https://github.com/vbousquet/libgdx into PR2431
Enforce continuous rendering while pausing Android backends
Add volatile keyword so that pause is thread safe

on enforceContinuousRenderingOnPause that is write/read by two threads
*[gdx/src/com/badlogic/gdx/utils/Timer.java] Changed types of "postTask", "scheduleTask" and also static "post", "schedule" methods from void to Task. Now they are returning processed task in case of assignment to a field on call.
*[tests/gdx-tests-android/project.properties] Updated target=android-19 to target=android=21
*[tests/gdx-tests/src/com/badlogic/gdx/tests/TimerTest.java] Implemented changes in Timer class to TimerTest class.

Signed-off-by: Burak Kurkcu <burakkurkcu@gmail.com>
Reverted back android target change from 21 to 19.

Signed-off-by: Burak Kurkcu <burakkurkcu@gmail.com>
Move getWorldManifold() javadoc to the right place
Merge pull request #2629 from thatJavaNerd/patch-1

Move getWorldManifold() javadoc to the right place
Javadocs
Clamp for long.
Merge remote-tracking branch 'origin/master'
preparing for 1.5.0 release
[maven-release-plugin] prepare release gdx-parent-1.5.0
[maven-release-plugin] prepare for next development iteration
updated version to 1.5.1
updated DependencyBank
Update DependencyBank.java
Update CHANGES
TextField - Editable repeat time for cursor movements

The properties keyRepeatInitialTime and keyRepeatTime should be public for personalization, and static for mantain the same behaviour for all the TextFiled and TextArea inside the game.
Throw exception if display couldn't be created.
Fixed select box list select when first opened.