Ken McClure: update to crater placement.
Ken McClure: update to image size.  cut it in half and alleviated 3mb's.
Ken McClure: update to scene.dae.
Ken McClure: update to left path along crater.  Added in rocks and debris to block path.
Updated scenario 1 boundaries
Updated boundaries
Merge pull request #297 from virtual-world-framework/Ken-Art

Ken McClure: update to crater placement.