updated ocean background, waves, and clouds
Merge pull request #14 from michaeltirenin/master

updated ocean background, waves, and clouds
Added small bubble generation, but not using the class named after it for it :)
merged Michael's code and Brad's code
got background images scrolling on 2x, added small bubbles to simulate speed.
Merge remote-tracking branch 'upstream/master'
Adjust attractFood's location to fit whale's location. Limit the attractFood to only get food within a specific radius.