on campaigns/:id pages, backbone fetches call data and renders template! woohoo
fixed issue with grabbing data for call of right campaign id
view being rendered is now call view, not campaign view
Twilio calls now working through Backbone and display campaign's saved phone number
backbones events now respond to rails routes
saving calls now happens in campaigns/voice when twilio app does post request
recording sids now persisting to database. initial carrierwave reqs set up
call mp3 urls now persisting to db
deleting carrierwave