committing the VO sound files
Fix the bug that was causing success/failure to fire more than once...
sort of.  The old triggers are never truly deleted, but this prevents
them from firing when they are no longer current.

Also, change some tabs to spaces.  Not sure why they weren't spaces
already.
remove an unused file
Add a bunch of new Boolean clauses
- increase RAM to 16, per Juan's request
- make the scenario fail if you don't solve it with a single program
- remove some dead comments
- tweak the format on the success condition
Merge pull request #112 from virtual-world-framework/triggers

Triggers