Fixes Hint VO so it does not play once a scenario has succeeded.
Fixes some PR issues
One last change.
Merge pull request #247 from virtual-world-framework/succeed-or-fail-check

Fixes Hint VO so it does not play once a scenario has succeeded.
Added gridObstacle component
Added rotation logic
Added obstacle components
Added new rubble crater obstacles.
Made crash pod a gridObstacle
Add editor application
Start adding grid tiles to editor
Start working on user interface for editor
Improve interface and hard code lists
Added hover effect on list items
Fixed grid world calculations
Differentiated between maps and other assets
Fixed indentation
Added tool background image
Improved drag functionality
Added transform tool buttons