added first draft of Submersible Trouble example game
positioned sounds
environment states (return, win, etc.)
mine beeping
more sounds
assets source cleanup + light switch sound fix
added asset licensing info and code comments (+ some cleanup)
fixed mine sound disposal and entity duplicated Point allocation
a few possible optimizations
removed some excessive Point instantiation
added Mine sleeping
switched to latest firehose
changed sdk version to latest
updated README to actually contain text :)
Merge pull request #143 from SmilyOrg/submersibletrouble

Added Submersible Trouble game demo