Fix split_date

- Function split_date in enrich-date module should return
  (None, None) if no match found
Fix collection title logic, add "ARC" types, add to cleanup_value

- Fix process_primo_all to pass collection["id"] as subr and
  collection as the content to enrich_coll
- Update poll_profiles to create temp dir for NARA
- Update enrich module to set collection title for NARA
- Update oai-set-name module to use the correct set
- Add description and collection/title to cleanup_alue module
- Add "ARC" types to enrich-type
Modified primo-to-dpla to insert list into spatial field.
Fixes for creator field for MWDL.

* Added supression of "creator" field if the value is "creator".
* Created module for cleaning creator field for mwdl.
Do not shred dataProvider on semicolons for MDL

- Remove shredding on semicolons for publisher in the MDL profile
  since the publisher field is copied to dataProvider
Map only contributor to dataProvider for DLG

- Update DLG profile to unset the dataProvider field then create
  it and copy the contributor value to it
initial internet archive profile and data downloader
initial internet_archive mapping
default collection name for UVA
Merge branch 'develop' into virginia
default collection title for NYPL
Merge branch 'develop' into nypl
Merge branch 'virginia' into develop
Merge branch 'develop' into internet_archive
IA profile fix
initial internet archive mapping
IA: added object url, hasView url
IA: added enrichments
added "texts" type handling for type enrichment; added MARC data download for IA
Added dc module for cleaning invalid dates.