Changed render json object on locationpins#create: updated for trip-controller
Trip JS changes:

- Modified controller- Added view and model
- Removed soup from controller
- Added addLocation and addTrip methods
- Added Trip.Presenter to Trip view
- Can display formatted html is sidebar by calling presentLocation/Trip
- js_location.js has listeners to create location and trip // needs re-work later
Changed form to not refer to interpolated string/ Remove button
Changed form to not refer to interpolated string/ Remove button
Re-fixed json object on location pins