Merge pull request #413 from virtual-world-framework/kevin-tweaks-4

Kevin tweaks 4
Merge pull request #414 from virtual-world-framework/kevin-tweaks-4

- Tweaks and stuff
This Commit Adds VO
This Commit Adds Level 2 Music
This Commit Adds Longer Rover Whistles
This Commit Adds VO

Louder Control VO
Merge pull request #415 from virtual-world-framework/Chris-Sounds-7

Chris sounds 7
- Made the level 2/3 music a bit louder
- fixed a typo in the license blurb