added the link header
added the ld+json content type
added the api prefix
gave the vocab an absolute IRI
gave the vocab the correct an absolute IRI
added the jsonld content type
fixed the threads link
fixed the context's extension
fixed the context's extension
fixed the supportedOperation property
added @type to the thread and comments
used a context mapping in hopes the hydra console will work
added the jsonld dep
fixed the expects/returns mapping
added json-ld object acceptance