Support a inmemory p0 partition encompassing all nodes in the cluster. This will be used by leadership manager and other usecases
that need strong consistency for coordination and not durable storage

Change-Id: I8e590e46d82a3d43cae3157a04be820bb7e1b175
diff --git a/core/api/src/main/java/org/onosproject/store/service/ConsistentMap.java b/core/api/src/main/java/org/onosproject/store/service/ConsistentMap.java
index e0ed4bc..6d19259 100644
--- a/core/api/src/main/java/org/onosproject/store/service/ConsistentMap.java
+++ b/core/api/src/main/java/org/onosproject/store/service/ConsistentMap.java
@@ -17,8 +17,8 @@
 package org.onosproject.store.service;
 
 import java.util.Collection;
-import java.util.Set;
 import java.util.Map.Entry;
+import java.util.Set;
 
 /**
  * A distributed, strongly consistent map.