Added IFlowPusherService as a dependency for FlowManager to ensure it gets loaded by the module loader
diff --git a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
index 3fe47a0..7ef49ef 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
@@ -134,6 +134,7 @@
 	l.add(INetworkGraphService.class);
 	l.add(IDatagridService.class);
 	l.add(IRestApiService.class);
+		l.add(IFlowPusherService.class);
         return l;
     }