finishing up
gregs changes and shit
Adds the festivals#show route, an iframe partial for the youtube vid, a module file for youtube class methods in lib, and a migration adding the top_track field to the artist model

TODO: build out the class methods in the Youtube module and find a way to load the fucking thing!
Cleans up festival#index route
Creates a festival#show view which simply renders the youtube_vid partial for yt testing
copies youtube model to app/models
i dunno
merge with master
fixed typo in festivals#show
merge with master
Merge pull request #27 from paopay/youtube

Youtube
fixed merge conflict