Add support for starting/stopping connectors.

git-svn-id: https://svn.apache.org/repos/asf/activemq/activemq-apollo/trunk@1438022 13f79535-47bb-0310-9956-ffa450edef68
upgrade the leveldbjni version.  Should fix APLO-282:
org.iq80.leveldb.DBException - possible LevelDB store corruption?

git-svn-id: https://svn.apache.org/repos/asf/activemq/activemq-apollo/trunk@1438023 13f79535-47bb-0310-9956-ffa450edef68