Change incomplete program trigger conditions
Merge pull request #164 from virtual-world-framework/failure-message

Change incomplete program trigger conditions
Ken McClure:  Update to scene.dae.  removed rover tracks from scene file.  Adding in separated models for curved and straight rover tracks.
Added roverTracks node to environment
Ken McClure:  Update to straight rover tracks
Aligned tracks with graph line.
Added functions for "blinking" elements

Conflicts:
	source/hudInstructions.js
Added blinkTab function
Added triggers for HUD and UI blinking

Conflicts:
	source/triggers/actionFactory.js
Merge pull request #158 from virtual-world-framework/Ken-Art

Ken McClure:  Update to scene.dae.  removed rover tracks from scene file...
Merge pull request #152 from virtual-world-framework/HUD-Blinking

HUD Blinking
Added Ken's failure screens
Merge pull request #165 from virtual-world-framework/failure-screens

failure-screens
Hook up failure screens
Keep failure screen at orig size
Added Ken's intro screens
New intro screens
Merge pull request #166 from virtual-world-framework/hookup-fail-scrn

Hook up failure screens
Removed unused property
Merge pull request #167 from virtual-world-framework/new-intro-screens

New intro screens