Merge pull request #17 from l8on/master

L8on's life
Merge pull request #18 from l8on/master

Life redux
Life Refinements

* Added knobs for rate, saturation, dead brightness, and randomization
* Cleaned up code, commented out print statements.
* Renamed shouldBeAlive to cycleOfLife.
Fixing life algorithm

Need to wait until all decisions are made before applying algorithm.