fixed some small code mistypes in replicated leveldb.

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1480059 13f79535-47bb-0310-9956-ffa450edef68
fix for https://issues.apache.org/jira/browse/AMQ-4519 - MasterLevelDBStore does not shutdown its protocol server when stopped
made fix and added test

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1480060 13f79535-47bb-0310-9956-ffa450edef68