Added JUnit test case

Added JUnit test case

-added test case for easysetupstatus
-changed signature of easysetupstatus api
-Updated comments
-Added new states and changed some states

Change-Id: I4afd9318f9f8c8ddf9189f856dbab8307946e8e5
Signed-off-by: Vinil Jain <vinil.gj@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/3363
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>
(cherry picked from commit 25fc0875be77e18e8d4c8d221325d631cd1737ca)
Reviewed-on: https://gerrit.iotivity.org/gerrit/3395