First commit of the new extension aida with state machine and message
handling.
Added test for state machine and message handling.
Minor changes and improved javadoc.
Added eclipse formatter and formatted source code.
Renamed extension and packages.
fixed issue #1945, canWrite is not supported in Android API 8, using reflection now
fixed issue #1920, animation frame duration is dynamic now
fixed issue #1916, added Vector#setZero
Update CHANGES
made `findActor` in Group return typed actor
Merge pull request #1948 from vlaaad/generify_find_actor

Make findActor method in Group return typed actor
fixed SharedLibraryLoader, was invoking canWrite instead of canExecute
Merge pull request #1929 from davebaol/aida

A new extension for AI with FSM and message handling
integrated gdx-ai into build, made it GWT compatible
Merge branch 'master' of https://github.com/libgdx/libgdx