add keyboard shortcut to toggle metronome and update info legend
refactored the metronome view into a separate component because it was getting a bit unweildly
removed unused code
Merge branch 'develop' into feature/metronome-shortcut
refactor and add jasmine spec for metronome model
forgot to add spec files (moving things around)
add spec for metronome view
document events fired by the blink method
added browser sniffing for safari per mike's suggestion
fixed error on keyboard shortcut legend
Merge pull request #6 from Harvard-ATG/feature/metronome-shortcut

Feature/metronome-shortcut