Use the predicate option instead of the deprecated option "property"
Support for Rails 4.2.rc1
Merge pull request #220 from projecthydra/use_predicate

Use the predicate option instead of the deprecated option "property"
Merge pull request #222 from projecthydra/fedora-4.2.rc1

Support for Rails 4.2.rc1
The APO lookup should use the correct solr_key