Drop "I" prefix from IBatchOperationTarget, IFlow and IFlowManagerService.

- This task is a part of ONOS-1687.

Change-Id: I24d14b5ecf4152bfb3f239c7b03725302bc307dd
diff --git a/src/main/java/net/onrc/onos/api/flowmanager/SingleSrcTreeFlow.java b/src/main/java/net/onrc/onos/api/flowmanager/SingleSrcTreeFlow.java
index 538315c..b9fdb88 100644
--- a/src/main/java/net/onrc/onos/api/flowmanager/SingleSrcTreeFlow.java
+++ b/src/main/java/net/onrc/onos/api/flowmanager/SingleSrcTreeFlow.java
@@ -13,7 +13,7 @@
  * An IFlow object expressing the point-to-multipoints tree flow for the packet
  * layer.
  */
-public class SingleSrcTreeFlow implements IFlow {
+public class SingleSrcTreeFlow implements Flow {
     protected final FlowId id;
     protected PacketMatch match;
     protected SwitchPort ingressPort;