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
Moved HUD images to images/hud subfolder
New close/minimize button and drag handle
Modified drag handle and close button
Adjusted colors
Changed tab images
This fixes issues with repeating VO and stopping sounds/playing success/failure music.

Conflicts:
	source/scenario/scenario1.vwf.yaml