Updated VO and metadata.
- Add the rest of the new sounds into marsGameSound.vwf.yaml
- Hook up the intro to the main menu music

Requires VWF:319.
Merge pull request #365 from virtual-world-framework/Chris-Sounds-7

Chris sounds 7
Another new line
Merge pull request #367 from virtual-world-framework/Chris-Sounds-7

Another new line
Remove typing effect