Pseudowire support for leaf-spine

- Added pw support for pseudowires containing leaf and spine switches as endpoints.
- Inject empty pw config if it is not found for the first time
- Minor refactoring such as more log messages and fixing missing javadoc

Change-Id: Ib57d39cfa36fcd48c01b5781c7445a3f1ffcfbda
diff --git a/src/main/java/org/onosproject/segmentrouting/cli/PseudowireRemoveCommand.java b/src/main/java/org/onosproject/segmentrouting/cli/PseudowireRemoveCommand.java
index 782b339..098bbf9 100644
--- a/src/main/java/org/onosproject/segmentrouting/cli/PseudowireRemoveCommand.java
+++ b/src/main/java/org/onosproject/segmentrouting/cli/PseudowireRemoveCommand.java
@@ -54,7 +54,7 @@
                 error("Could not fetch pseudowire class configuration!");
                 break;
             default:
-                return;
+                break;
             }
     }
 }
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