Youtube playlists tags

Switching playlists to tags instead of nodes

To test see youtube_playlists_install

After import switch to local copy of assignments url via
drush vset youtube_playlists_assignments_url 'http://www.ilr-website.dev/sites/default/files/video_playlists.xml'

Search for video by id and remove video from playlist or add to a new one.
Re-import and confirm change happened.