Move system_conf_table from leo_manager
Upgrade leo_mq to 0.12.24
Implement management of remote-clusters
Rename modules
Rename a table name
Update copy-right
Rename a constant
Rename modules
Rename functions
Add a function of cluster-status
Implement cluster-manager
Upgrade leo_mq to 0.12.25
Modify table definitions
Implement cluster-member
Rename modules
Implement membership-for-remote-cluster#1
Implement manage of remote-cluster(s)
Implement manage of remote-cluster(s)#2
Implement manage of remote-cluster(s)#3
Implement Synchronization of remote_cluster info/state