Updated control logic of Scene Resource.

Updated control logic of Scene Resource.

Resource management logic is updated.
 (scene execution, scene resource creation, attributes setting)
Getting method of scene values is added in Scene Collection Resource class.
Setting method of resource name is added in Scene Resource class.
Get response of remote side request is added in Scene List class.
Callback of scene execution is called separated thread for prevent recursive function call.

Change-Id: Id7d66bc3216d51a46015b9653e254f93a0e68380
Signed-off-by: jyong2.kim <jyong2.kim@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5151
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Uze Choi <uzchoi@samsung.com>