Add collection payload to send a request

Add collection payload to send a request
for including each resource information(attributes).

- Client side can send a message
  which each resource information is stored in one message.

Change-Id: I45a65dc66dfcec9288b858864b6c83906d341756
Signed-off-by: HyunJun Kim <hyunjun2.kim@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5583
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>