#9 - add setlist data to shows api and cleanup api a bit using base partial and simplifying the returned keys
#10 - add the shows app and return all the shows in route route. also adds some helpers and extends all marionette views in case we require some additional config.
#11 add the songs app and return the list of all the songs. link to songs from the header
Merge branch 'release/gdev_0.0.3'