Merge branch 'master' of https://github.com/libgdx/libgdx into misc
Merge branch 'master' of https://github.com/libgdx/libgdx into misc
Merge pull request #268 from xoppa/bullet

Bullet, fix issue 1299
Added support for foreign characters and other special types by catching ACTION_MULTIPLE
Update libmpg123
Separate addAsset from updateTask
Fix copy constructor for StaticTiledMapTile.
Add Polyline contribution from @PrinceManfred
Add PolygonMapObject constructor taking a Polygon
Change PolylineMapObject to use new Polyline class.
Change TmxMapLoader to add y-direction awareness

You can now specify the direction of the y-axis at load time. The map will
be loaded accordingly, inverting objects or tiles as necessary. Thanks to
@PrinceManfred for getting this started.
Add polyline drawing to ShapeRenderer
Small bugfix, Quaternion#setFromCross should convert to degrees as setFromAxis expects it.
Remove usage of the Vector3.tmp/tmp2 instances.
Update CONTRIBUTORS

Added me (Manuel Bua) to contributors
Array classes, disallow first() when size==0.
Better exception if natives aren't on classpath.
Added DataInput.
Better exceptions in main loop.
Allow exception() method to decide if it is thrown.