Implemented the following PW features and fixes:

   - PW support for H-AGG topologies. Support for leaf-spine-spine
     leaf-spine-spine-leaf pseudowires.
   - Renamed pw commands with sr-pw-* pattern and also removed redundant output
    from them.
   - Enabled bulk addition / removal of pws from the rest api.
   - Modified diagnostics tool with the updated command name.

Change-Id: I708db9281d0082b160cbd713910b420ef7df9da3
diff --git a/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/cli/PseudowireAddCommand.java b/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/cli/PseudowireAddCommand.java
index ab80aff..b69763d 100644
--- a/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/cli/PseudowireAddCommand.java
+++ b/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/cli/PseudowireAddCommand.java
@@ -35,7 +35,7 @@
 /**
  * Command to add a pseuwodire.
  */
-@Command(scope = "onos", name = "pseudowire-add",
+@Command(scope = "onos", name = "sr-pw-add",
         description = "Add a pseudowire to the network configuration, if it already exists update it.")
 public class PseudowireAddCommand extends AbstractShellCommand {
 
@@ -121,10 +121,9 @@
 
         switch (res) {
             case ADDITION_ERROR:
-                print("Pseudowire could not be added, please check logs for more details!");
+                print("Pseudowire could not be added!");
                 break;
             case SUCCESS:
-                print("Pseudowire was added succesfully!");
                 break;
             default:
                 break;