Resolved issues and concerns found during overall functionality testing.

Resolved issues and concerns found during overall functionality testing.

1. Handled the array type value validation.
2. Handled the redundant resource discovery callbacks.
3. Added more information in UI to show the array properties
   when updating array type values.
4. Added more log messages.

Change-Id: I95bf65ad4bd7b9cfcfe02141832b281065bd0f99
Signed-off-by: G S Senthil Kumar <senthil.gs@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5373
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>