Add contributing details to README
Animation now stops.
Now the music will reset to the current beat and stuntsheet when
next beat/prev beat/next ss/prev ss are pressed.
Now you can jump to the first beat of the show or the last beat of the
show by repeatedly pressing the prev/next ss buttons.
Tabs to spaces
Added error checking for non-json files and wrong viewer/beats file
Added link
Merge pull request #68 from calband/durand__prev_next_ss_on_bounds

Jump to Beginning or End of Show w/ Prev/Next SS Buttons
Merge pull request #67 from calband/durand__sync_anim_with_controls

Sync Music Animator With Manual Controls
Added continuity text when dot selected
Added Chosen to UI
Added Chosen's necessary js, css, and png files
Changed html to point to Chosen css file in the css folder
Added empty option for Chosen
Implemented file button changes
Updated with changes
Moved Chosen files to css/vendor
Removed app.css from css folder
Added support for Chrome
Filename inside button