Updated ListSets functionality to capture setDescription. Also, set is now an array of dictionaries with keys 'setSpec', 'setName', and 'setDesc'.
Added CouchDB view for collections.
Ingest set description, if it exists, and update record to include set description.
Removed couchdb_views.
Updated dpla-list-sets.py to note that it is forked for the DPLA and removed PROFILE.
Removed duplicated logic for collection description in enrich.py.