Use --wsrep-new-cluster to start first node instead of empty gcomm:// list

[morganchristiansson]

http://galeracluster.com/documentation-webpages/mysqlwsrepoptions.html#wsrep-cluster-address

Warning: Never use an empty gcomm:// string in the my.cnf configuration file. If a node restarts, that will cause the node to not join back to the cluster that it was part of, rather it will initialize a new one node cluster and cause a split brain. To bootstrap a cluster, you should only pass the --wsrep-new-cluster string, (instead of using --wsrep-cluster-address="gcomm://") on the command line.