Give the leveldb 3 broker virt topic network test a more appropriate file name.  Also add a  single broker test for leveldb.

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1483809 13f79535-47bb-0310-9956-ffa450edef68
Support multiple local/remote syncing styles.

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1483810 13f79535-47bb-0310-9956-ffa450edef68