IOT-970: Handle get requests on oic/p and oic/d resources

IOT-970: Handle get requests on oic/p and oic/d resources

Change-Id: I6a96e188f7dcb839467c4285c3b4a57871669b78
Signed-off-by: Hugues Ekra <hekra@cisco.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5553
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>
Reviewed-by: Habib Virji <habib.virji@samsung.com>
(cherry picked from commit a51b71c150d30614439dbbe1c3ec0ae01bdefaeb)
Reviewed-on: https://gerrit.iotivity.org/gerrit/7843