[IOT-2494] SVR DB Editor : Add pstat edit features

[IOT-2494] SVR DB Editor : Add pstat edit features

Add pstat add remove modify
Cleanup svrdbeditoracl.c

New Feature: https://jira.iotivity.org/browse/IOT-2494
Signed-off-by: Sangjoon Je <sangjoon.je@samsung.com>
Change-Id: I851e8555f5a1d14332399f0c9aedc53bfa302bb3
Reviewed-on: https://gerrit.iotivity.org/gerrit/21799
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Jongmin Choi <jminl.choi@samsung.com>
Reviewed-by: Youngman Jung <yman.jung@samsung.com>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>
(cherry picked from commit 10fb135447cb2cb192f686b33cb407699de2fbab)
Reviewed-on: https://gerrit.iotivity.org/gerrit/21897
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>