add alertview message if unable to retrieve movie
implemented segue
add AMRatingControl pod to rate movies
removed favoriting pod and added storage to NSUserdefaults
user can view favorites on search page
can save movie info to file system
got favorites and back to toggle back and forth and to show previous search results
got checking if file exist method to work
delete NSLogs
got rid of params on rotten tomatoes networking call
refactored FavoritesSaver class to have instance methods and save common stuff to properties