Fix dateTime values in filter

- Fix String value creation for JQL transformations
- Add test for JQLConverter

Resolves: https://www.pivotaltracker.com/story/show/77788512
Merge pull request #451 from fcrepo4/ldp-conformance

Updates to conform to the LDP API
LDP-NR resources should include the LDP resource header
POSTs that create LDP-NRs should include a Link to the LDP-RS that describes the binary
Remove POST .../fcr:content; requests should use PUT .../fcr:content or POST using the path to the container
Add OPTIONS verb for .../fcr:content requests