Properly defined URI & Resource Type values for Presence Advertisement.

Properly defined URI & Resource Type values for Presence Advertisement.

This changeset ensures that presence advertisments comply with section
11.3.2.4 of OIC Core Specification 0.9. This will ensure that any
implementation of the OIC Core Spec Compliant Project A will be able to
send/receive advertisements with IoTivity.

Change-Id: Ie00347099cab67c03af6557157e64290c625d828
Signed-off-by: Joseph Morrow <joseph.l.morrow@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/981
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sakthivel Samidurai <sakthivel.samidurai@intel.com>
Reviewed-by: Mandeep Shetty <mandeep.shetty@intel.com>
Reviewed-by: Erich Keane <erich.keane@intel.com>