added showtimes model, controller, migration
added other params for showtime parser
fixed ratings parsing
fixed associations in movie and showtime models
fixed seed showtimes task to create multiple showtimes per movie, renamed file
removed code linking showtime to movie, pull down more intheaters movies from rt
removed renamed rake task
Merge pull request #13 from gopher-snakes-2013/fix-showtimes-model

Fix showtimes model