Rename the OfOverlayWorkflow to OfOverlayWorkflowRegister

The OfOverlayWorkflow is doing actually register the workflows in store.
So, It is better to rename the with its actuall role.

Change-Id: I6160046e8758c45a2e725d20e0875612a5ad2e1c
diff --git a/apps/workflow/ofoverlay/app/src/main/java/org/onosproject/ofoverlay/impl/OfOverlayWorkflow.java b/apps/workflow/ofoverlay/app/src/main/java/org/onosproject/ofoverlay/impl/OfOverlayWorkflowRegister.java
similarity index 98%
rename from apps/workflow/ofoverlay/app/src/main/java/org/onosproject/ofoverlay/impl/OfOverlayWorkflow.java
rename to apps/workflow/ofoverlay/app/src/main/java/org/onosproject/ofoverlay/impl/OfOverlayWorkflowRegister.java
index 14eb59d..3c33dc4 100644
--- a/apps/workflow/ofoverlay/app/src/main/java/org/onosproject/ofoverlay/impl/OfOverlayWorkflow.java
+++ b/apps/workflow/ofoverlay/app/src/main/java/org/onosproject/ofoverlay/impl/OfOverlayWorkflowRegister.java
@@ -38,12 +38,12 @@
 import static org.onlab.util.Tools.groupedThreads;
 
 /**
- * Class for Open-flow overlay configuration workflow.
+ * Class for Open-flow overlay configuration workflow registration.
  */
 @Component(immediate = true)
-public class OfOverlayWorkflow {
+public class OfOverlayWorkflowRegister {
 
-    private static final Logger log = LoggerFactory.getLogger(OfOverlayWorkflow.class);
+    private static final Logger log = LoggerFactory.getLogger(OfOverlayWorkflowRegister.class);
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected WorkflowStore workflowStore;