Fixed Travis configuration.
Subject regexp enrichments, and moving oai-to-dpla to be first in the pipeline
Put oai-to-dpla at front of pipeline and add type/format enrichment
Strip extra text from end of IMTs
Better cleanup of types and formats
Tests for better cleanup of types and formats
Better cleanup of types and formats
Fixes for Travis.

- Fixed travis test process.
- Commented four failing tests.
Added location enrichment for MDL.
Fixed incorrect hadnling of single item identifier.
Added Biodiversity Heritage Library profile.
Added status for branch master
Fixed formatting of README.md
Placed record id logic in the select-id module.
Updated record id logic to use the URL field of the OAI-PMH handle, if any, as the _id and to save the hashed _id as the id.
Updated revision check logic to use the ingested document _id field when comparing to an existing CouchDB document id.
Updated select-id module to account for an empty data[prop] array.
Merged thumbnails_download_preview branch.
Update date enrichment logic to properly set created date
initial artstor profile
id source changed
universal empty lives cleaner for json trees, WIP
universal empty lives filter