Ken McClure: Update to rock_2x3.dae Brett asked that I rotate it to match the others.
Ken McClure: adding two new place-able objects that brett mentioned having.  I added in the rubble pieces to the crater.
Ken McClure: adding new blank version of terrain.
Ken McClure: Update to intro screen image.  Completed full rendered imagery for screen.
Merge pull request #214 from virtual-world-framework/Ken-Art

Ken art