Did some changes on how the service is deactivated

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@180315 a5903396-d722-0410-b921-86c7d4935375
Fixed the bug not allowing to edit when the message processor is deactivated

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@180316 a5903396-d722-0410-b921-86c7d4935375