Merge pull request #278 from virtual-world-framework/Ken-Art

Ken McClure:  Update to scene files.  Combined like assets to be single ...
Move alert text functionality from html overlay to HUD
Merge pull request #277 from virtual-world-framework/HUD-alert

Move alert text functionality from html overlay to HUD
Move success texts to alerts area and make starting blockly window smaller
Merge pull request #279 from virtual-world-framework/success-alert

Move success texts to alerts area and make starting blockly window smaller
Added the new small success music.
Fixed small code artifact issue.
Merge pull request #280 from virtual-world-framework/small-success-music

Added the new small success music.
Clears Blockly appropriately during scenario1
Merge pull request #282 from virtual-world-framework/clear-blockly-again

Clears Blockly appropriately during scenario1
Remove lerp when camera follows target
Reduced GC in grid.js
Reduce GC in camera.js
Eliminate HUD texture recreation per frame
Reduced GC in HUD.pick and event handling
Finished HUD.js cleanup
Remove character image setInterval
Removed arrays loopCounts and counts
Finished hudInstructions.js optimization

Conflicts:
	source/hudInstructions.js
Fixed HUD element draw order