migrated to mocha
	modified:   Gruntfile.coffee
	modified:   package.json
	deleted:    spec/PlayerSpec.js
	deleted:    spec/SpecHelper.js
	deleted:    src/Player.js
	deleted:    src/Song.js
	new file:   test/test.js
refactored to mocha-style BDD w/o headless
	modified:   Gruntfile.coffee
	modified:   package.json
	modified:   test/test.js