Refactor of app to group playlists by owner and other refactorings.  Historian is currently borked
adding leveldb install steps to before_install
updated ruby version file to make rvm happy for travis ci
putting ruby version back to 2.1.0
update cache service and include tests
handle scraping a user that has no image
no longer trying to save symbol for the leveldb key
polling to see if album is fully loaded before querying for name
clearing some debt.  writing tests and minor tweaks.
continue loop if there are no enabled playlists for the user
default playlist enabled to true while there is no UI to toggle
polling to make sure track and album are loaded before getting properties on them
fix cache service test after converting keys to strings
removing mocha mocking framework and converting tests that use it to rspec.
putting the historian back after the playlist refactor
add rake tasks for starting the individual components
send the username to the web socket clients
add ability to remove user
moving helper methods from jukebox_web to new web_helpers
move plaything instance variable to memoized class level method