Updated HUD elements
Wait for HUD to be initialized
Added camera images
Initialize active camera icon
Added rover selection glow
Fix visibility/pointer event handling
Better lightning bolt
Merge pull request #90 from virtual-world-framework/improve-hud

Improve hud
Refactored scenario

Conflicts:
	source/hudInstructions.js
Set and reset scenario
Fixed property reference
Fixed drop behavior & set inventory in scenario
Remove old reload function