RD handling of publishing device address

RD handling of publishing device address

Correct address in the baseURI field for resource directory.

This patch fixes issues where host() in OCResource.cpp returned
a wrong IP address. It uses baseURI field in the /oic/res to send
publishing device address.

JIRA ISSUE:855

Signed-off-by: Habib Virji <habib.virji@samsung.com>
Change-Id: Idf86fe801e25e32c84268f421feff479270faa1b
Reviewed-on: https://gerrit.iotivity.org/gerrit/4337
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>