Javadoc
Also check for previousKeyboardFocus and previousScrollFocus before cancelling a focus change
Added some commented out code for finding concurrent modifications.

And slowing your app to a crawl.
Various JSON improvements.

Fixed enums using toString(), should use name().
Fixed serialization of a Collection other than the known type (wraps with object, similar to a subclassed enum).
Fixed deserialization of ArrayMap, Collection and friends.
#2439
Merge remote-tracking branch 'origin/master'
update to robovm alpha-04, closes #2438
Fix for Json GWT compatibility

See Commit 72c9d62cfb
Fixed Gdx.gl30 not set if GL3.0 profile is created.
Recent LWJGL versions allow glBufferData() calls with null data.
Merge pull request #2449 from code-disaster/gl30-support

Minor fixes to LWJGL backend
Fixed setting type name to null for enums and collections.

#2435
Merge remote-tracking branch 'origin/master'
Added setting to use Enum#toString, javadocs.

closes #2448
Adds functionality to Json#enumNames attribute.
removed gdx-pay from the repository
[maven-release-plugin] prepare release 1.4.0
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updated version...
[maven-release-plugin] prepare release 1.4.1
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