Merge pull request #5 from malucky/master

Changed selected key color and added display box
Started angular port
Merge branch 'master' of github.com:deini/band.js-piano

Conflicts:
	app.js
Started refactor html5 data to function parameter
Refactor data-note to parameter in ng-click
Pasted Ray's finished refactor for sending the note as a parameter on ng-click ... ray fix your internet
Added directive to detect keypress
Ported functions to the controller and removed all jQuery implementation
Removed jQuery and fixed bug in ng-clicks
added addNotesToSong and toJSON to the scope
Merge branch 'master' of https://github.com/deini/band.js-piano
Removed unused line in html
Fixed some keys not binded to correct notes
Changed variables to scope variables
Merge branch 'master' of https://github.com/deini/band.js-piano
refactored code to using angular