Update user stories for Add Song
Add Song model, controller.  View is pending.
Add Songs Index page stub
Implement validations spec for song model
Implement songs index view (added show route)
Add link to songs_path in Main Menu page
Implement song show page
Implement songs#new songs#edit for Song model
Integration for songs#create
Pending implementation - carrierwave
Integration for add new song, incorporates carrierwave locally
* next step, use cloud service for song storage (Amazon S3)
Implement edit and update for Song model
Implement destroy for Song model
User stories updated to reflect max audiofile size at 50MB