Merged scdl_fixes branch.

* Added enrich_lookup module.
* Adde conversion "Images/jpeg" to "image/jpeg".
Created script to download and compress CouchDB reports.

-Added dataProvier and provider to qa_reports.js
Updated script export_reports to take in args.
PRIMO integration for MWDL

-Added def process_primo_all in poll_profiles
-Added MWDL profile
-Created primo-to-dpla module
-Updated akara configuration to include new module
Updates for MWDL mapping.
Added enrich_language to mwdl profile.
Merge branch 'mwdl' of github.com:dpla/ingestion into mwdl

Conflicts:
	akara.conf
	profiles/mwdl.pjs