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/intent/IntentId.java b/src/main/java/net/onrc/onos/api/intent/IntentId.java
index 327f2cb..5de5a12 100644
--- a/src/main/java/net/onrc/onos/api/intent/IntentId.java
+++ b/src/main/java/net/onrc/onos/api/intent/IntentId.java
@@ -1,6 +1,6 @@
 package net.onrc.onos.api.intent;
 
-import net.onrc.onos.api.batchoperation.IBatchOperationTarget;
+import net.onrc.onos.api.batchoperation.BatchOperationTarget;
 
 /**
  * The class representing intent's ID.
@@ -9,7 +9,7 @@
  * This class is immutable.
  * </p>
  */
-public final class IntentId implements IBatchOperationTarget {
+public final class IntentId implements BatchOperationTarget {
     private final long id;
 
     /**