adding blacklight_solr since the lates blacklight requires it
Merge pull request #10 from psu-stewardship/blsolr

adding blacklight_solr since the lates blacklight requires it
changed to use acceptsBatches that is part of hydra-collections
Merge pull request #11 from psu-stewardship/hydra-batches

changed to use acceptsBatches that is part of hydra-collections