Further simplified the store & connection manager relationship.
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/package-info.java b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/package-info.java
new file mode 100644
index 0000000..5276b0b
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/cluster/messaging/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Cluster messaging APIs for the use by the various distributed stores.
+ */
+package org.onlab.onos.store.cluster.messaging;
\ No newline at end of file