Switched @date javadoc tag to @since
Javadoc warnings cleanup
configured checkstyle for tests
Added @author tags to test classes without it
fixed license-maven-plugin dependency so it wouldn't be a snapshot
Non-functional update: Address checkstyle issues for tests

Final commit in resolution of: https://www.pivotaltracker.com/story/show/69355194
pre-register rdfs namespace in the CND
Include inbound references in the node's RDF serialization by default
JSON-LD support
Merge pull request #386 from fcrepo4/jsonld

JSON-LD support
Update filesystem connector cache to be more efficient

- Update cached fixity to support clearing cache when file is modified

Resolves: https://www.pivotaltracker.com/story/show/71707916
Merge pull request #384 from fcrepo4/inbound-rels

Include inbound references in the node's RDF serialization by default

Addresses: https://www.pivotaltracker.com/story/show/71723550
Merge pull request #383 from fcrepo4/rdfs-ns

pre-register rdfs namespace in the CND

Addresses: https://www.pivotaltracker.com/story/show/71721096
Skolemize blank nodes provided by POST, PUT, and SPARQL-Update request into .well-known/genid/* nodes

Resolves: https://www.pivotaltracker.com/story/show/71853134