Added a function to the registry to allocate a block of numbers unique within the whole cluster using Curator's DistributedAtomicLong
diff --git a/src/main/java/net/onrc/onos/registry/controller/StandaloneRegistry.java b/src/main/java/net/onrc/onos/registry/controller/StandaloneRegistry.java
index 2c220fd..e48c519 100644
--- a/src/main/java/net/onrc/onos/registry/controller/StandaloneRegistry.java
+++ b/src/main/java/net/onrc/onos/registry/controller/StandaloneRegistry.java
@@ -115,6 +115,12 @@
 			String controllerId) {
 		throw new RuntimeException("Not yet implemented");
 	}
+	
+	@Override
+	public IdBlock allocateUniqueIdBlock(){
+		//XXX Not exactly unique...
+		return new IdBlock(0L, 0x10000000L, 0x10000000L);
+	}
 
 	@Override
 	public Collection<Class<? extends IFloodlightService>> getModuleServices() {