Making progress; Moving sortable.png in CSS
Shortening names and cleaning up working SCSS

This version looks good, and works with the original
'sortable.png' asset, so I think we're done here.
quick fix
removing column at CDs request
adding loader task
Adding migrations for Intellectual Property project

See issue #149.  Bradley asked for death_date; second
change is to improve Solr records and management of collection
series metadata.  Since we're updating the db....
updated XSLT (DPLA SPEC-COLL bug)