Change IFlow objects' field and method names to clarify the meanings of actions

- Part of ONOS-1687

Change-Id: I2cfda9478c5d2f876d9888b7c70ab64ba2a89890
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 e401bdc..538315c 100644
--- a/src/main/java/net/onrc/onos/api/flowmanager/SingleSrcTreeFlow.java
+++ b/src/main/java/net/onrc/onos/api/flowmanager/SingleSrcTreeFlow.java
@@ -81,7 +81,7 @@
      *
      * @return The set of the pairs of Dpid and OutputAction object.
      */
-    public Set<Pair<Dpid, OutputAction>> getActions() {
+    public Set<Pair<Dpid, OutputAction>> getOutputActions() {
         return outputActions;
     }
 }