Merge pull request #6 from malucky/master

refactored code to using angular
Use apply inside directive instead of in controller function
Added newline
Refactored toJSON to actually return an object and not play it ... created play() for playing
changed play button to trigger the new play() function
Added json button style
Added modal
Added modal to copy json
Merge branch 'master' of https://github.com/deini/band.js-piano

Conflicts:
	app.js
	styles/main.css
set up for detecting more key press events