Add logic for sending responses according to the interface of requests.

Add logic for sending responses according to the interface of requests.

This patch include,
Generate response for each of interface
and Add handling about exception cases.

Second patch include,
1. change NS_DEFAULT_INTERFACE to NS_INTERFACE_BASELINE
2. Add first patch logic into Topic case.

Change-Id: I7aa5868fc9a4b4537964c8bdf92b1f15d058d892
Signed-off-by: jaesick.shin <jaesick.shin@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/12787
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Uze Choi <uzchoi@samsung.com>