Update MWDL mapping

- Keep current mapping of search/creationdate since
  display/creationdate does not contain delimiters
- Map LINKS/linktorsrc to sourceResource/identifier
- Map facets/language to sourceResource/language
- Map display/lds17 to sourceResource/type
- Remove duplicate mapping of spatial, isPartOf, and dataProvider
- Update bulkSize in MWDL profile to 1000
Update primo_to_dpla test

- Remove display/lsr14 from unit tests since it was removed from
  sp_props in primo_to_dpla
Changed Smithsonian Institutions to Smithsonian Institution.
Fixed publisher field for Smithsonian data.
Modified lookup module to remove missing values.
Fixed a problem with non unicode characters in collections for Smithsonian data.
Fixed data_provider and rights for Smithsonian data.
Commented out automatic state-detection logic
Corrected commenting out of state-detection code
Added geocoding to scdl-usc profile
Fixed a bug in edan_to_dpla and tests.
Harvard remap

- Append ", Harvard University" to dataProvider
- Create a contributor and spatial transform
- Create a subject and spatial transform
- Create an originInfo transform to handle date and publisher
- Update the title_transform to support concatenation of sub fields
- Update the identifier transform
- Add unit tests for oai_mods_to_dpla module
Apply enrich_location to stateLocatedIn for Harvard
Merge branch 'develop' into internet_archive_mthread