migrations added for compositions table and compositions_sounds join table. adjusted sound model and created composition model to reflect the relationships.
created compositions_controller
added create method to compositions_controller, added form to filter.js that adds comp to DB. defined /compositions/create method
added user and composition models and routes. added session, users and compositions controllers. sounds being saved to compositions. compositions being saved to users.
added show method and route to compositions_controller. edited filter save comp form.
updated compositions controller. added current_user info to application.html
fixed merge conflcits