add doxygen comments for exceptions in Scene-manager remote apis

add doxygen comments for exceptions in Scene-manager remote apis

- add doxygen comments in scene-manager remote apis
- change to use const variable in scenecommons with get request in RemoteSceneList class

Change-Id: I3354b7c271962be8d22f226a663e5cc415c8f211
Signed-off-by: Minji Park <minjii.park@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5545
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
(cherry picked from commit 5f95d30eb6f7e7a00675a74ac2dd348e5d5c53e4)
Reviewed-on: https://gerrit.iotivity.org/gerrit/5649
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>