Modifies Openvault::Pbcore.ingest! to establish relations between newly ingested assets.
Removes celluloid for parallel processing, as it was used solely for MARS ingest, which has since changed. Was causing problems in rspec after() hooks.
Changes #create_relations_from_pbcore_aretesia! to just #create_relations_from_pbcore! in OpenvaultAsset model.
Merge branch 'submodel-views' of github.com:afred/openvault into submodel-views
Changes expected route after custom collection creation.