Changes to match creating the blackly div in the driver
Removes the toolbox loading from the html view
Adds the application specific path for blockly
Removed empty createdNode handler
Merge pull request #20 from virtual-world-framework/branch/blocklyUI

Branch/blockly ui
Keep rover from driving on undrivable squares

The current implementation assumes that the rover's parent frame of reference is the world frame of reference.  We should switch the call from translateBy to worldTransformBy, but currently there is a bug in that.
Moved blockly behavior to rover
Merge pull request #22 from virtual-world-framework/branch/collision-detection

Branch/collision detection
Added basic terrain height following using scene.raycast