Add Scene Collection Resource Requestor class for scene manager client

Add Scene Collection Resource Requestor class for scene manager client

It is the scene manager remote-side requestor class
which sends request for scenemember/scene creation and scene execution to local-side scene collection resource object.

Change-Id: Idbccdb7548e1f50025ddf650ea5d31520f6e0313
Signed-off-by: Minji Park <minjii.park@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/4939
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: Uze Choi <uzchoi@samsung.com>