Add getTextInput accepting both text and hint values
Remove old getTextInput and getPlaceholderTextInput
added missing methods to GWT WeldJoint

and fixed getFrequency()
Merge pull request #2571 from dermetfan/patch-1

added missing methods to GWT WeldJoint
added missing setMaxLength(..) to GWT RopeJoint
Merge pull request #2572 from dermetfan/patch-1

added missing setMaxLength(..) to GWT RopeJoint
Merge pull request #2544 from vaxquis/master

Improved limit()/clamp() behaviour - now it doesn't call nor(), reusing ...
fixes missing keycodes, cleans up & sorts existing ones - an essential/prerequisite commit for further Input improvements, e.g. https://github.com/libgdx/libgdx/issues/2524