Fix Presence issue of not working on Ethernet

Fix Presence issue of not working on Ethernet

Change connectivityType of Presence resource to OC_ALL
Send presence notification on all the n/w interface
Fix IOT-351 & IOT-270
Fixed the if-statement for freeing header options

Change-Id: I553434b77885a466a63fba0968edf400abacb53f
Signed-off-by: Shilpa Sodani <shilpa.a.sodani@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/415
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sudarshan Prasad <sudarshan.prasad@intel.com>
Reviewed-by: Sashi Penta <sashi.kumar.penta@intel.com>