Add support for application/vnd.ocf+cbor to resource directory.

Add support for application/vnd.ocf+cbor to resource directory.

- Add support to RD for publishing and storing endpoints.  Only
  publish secure or non-secure eps depending on resource properties.
- When creating application/cbor response to discovery, create
  separate links with the fully-qualified URI containing the supported
  endpoints.

Change-Id: Ifc370825103a73335eddccb4bbde4225d0a0a736
Signed-off-by: Todd Malsbary <todd.malsbary@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/17631
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>