Bullet: various changes
Swig generated files
Update tests
Remove test code
Remote more test code
Use proper config and set forceExit false

The forceExit configuration option causes the app to close with a failure
status code (-1).
Add back in duplicatePadding option.
[ShaderProgram] : Removed useless statements in #getAttributeXXX(String)
[ShaderProgram] : Removed useless statements in #getUniformXXX(String)
No need to calculate frameNumber if only a single frame is there.
Merge pull request #550 from hneuer/anim

No need to calculate frameNumber if only a single frame is there.
Merge pull request #551 from MobiDevelop/duplicate-padding

Resurrect duplicate padding
Expose executeRunnables.
Merge branch 'origin/master'
added JsonValue#hasChild()
docs improved
Default serializer, customizes unrecognized objects instead of always getting JsonValue.
Merge branch 'origin/master'
Avoid some field accesses.
Made JsonValue iterable.