Add VO

Adds in missing VO
Made VO changes and fixed Blockly disappearing

Made VO changes and fixed Blockly side bar disappearing - blocks are always visible now (may want to give indicators to players they shouldn't be moving)
Adds "Supplies" to the map
Adds supplies to terrain
Split supplies objects for safety
Extension fix for supplies
Allow app developer to specify camera start poses as [radius, yaw, pitch]
Refactor targetFollower.js
Merge pull request #330 from virtual-world-framework/scenario-polish-pass

Scenario polish pass 8/15 2pm
Merge pull request #333 from virtual-world-framework/improved-camera-interface

Improved camera interface
In the panCamera action, drop the camera to third person before panning
Merge pull request #334 from virtual-world-framework/drop-to-third-person-before-pan

In the panCamera action, drop the camera to third person before panning
Start adding main menu

Conflicts:
	source/index.js

Conflicts:
	index.vwf.html
Added overlay
Play intro video after play game is clicked

Conflicts:
	source/index.js
Cleaned up render switching

Conflicts:
	source/index.js
Made main menu a scenario

Conflicts:
	index.vwf.yaml
Cleaned up code

Conflicts:
	index.vwf.html
Fixed version css
Fixed spacing in utils.js