Add get root action to sample a track for view
Merge branch 'master' of https://github.com/Cfeusier/love-in-the-time-of-soundcloud into CF_get_song_data_for_view

Merge conflicts and add files from Anna for user auth and Song/Vote helper methods

Conflicts:
	app/controllers/index.rb
Merge pull request #14 from Cfeusier/CF_get_song_data_for_view

Cf get song data for view