Transfer integration tests from FedoraNodesIT to FedoraLdpIT
fixing minting for resources below the top level
Add integration test for requests with URI-encoded fcr:metadata suffix

https://www.pivotaltracker.com/story/show/78034072
Refactor JcrRdfTools to streamline exposed interface
Extract Property and Value converters for going to/from JCR and RDF properties
Vary HTTP caching based on the Accept header and other common headers
Add support for LDP IsMemberOfRelation
Add LDP integration test that uses DirectContainers