4-15-2014

Devin's changes: Code to visually uncolor playhead for stop button
-Found that play/pause button doesn't exactly work right. Once paused,
clicking the stop button resumes the playhead.
-Also, once paused, it will randomly start playing again (maybe on
cursor move while hovered over play button)
Merge branch 'master' of https://github.com/rodband/AlgoRhythms