Added CuratedCollection#flatten
CuratedCollection should have createdby
TuftsDcDetailed should have a blank prefix for to_solr
allow legacy disk shares and correctly store thumb

legacy objects may be on share other than the one configured in
application.yml if they are don't try to force anything to the
 currently defined share.  also although the datatream is
thumbnail.png the directory of the thumbs is thumb_png
incoroporating code style changes
Merge pull request #2 from mkorcy/legacy_objects

allow legacy disk shares and correctly store thumb
embargos are expected to be indexed as dateable
Merge pull request #3 from mkorcy/embargos

embargos are expected to be indexed as dateable
Index a minimal (pid only) document if the document is prefiltered.
This avoids an server error when saving to solr.
Issue curationexperts/tufts-image-library#174

Code ported from:
https://github.com/TuftsUniversity/tuftsification-hydra/commit/ab4d5acf86991ee3e50414f4b171f156fd668fec
added explicit local namespace
When updating a datastream that doesn't have the local prefix, add it. Fixes curationexperts/tufts-image-library#52