Move authData calculation logic to each LISP message builder classs

Change-Id: I61f13cbb77c58f06efce7e9450f11d328749b247
diff --git a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispInfo.java b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispInfo.java
index 1fd9b46..19fb9d0 100644
--- a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispInfo.java
+++ b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispInfo.java
@@ -27,7 +27,7 @@
      *
      * @return has info reply flag value
      */
-    boolean hasInfoReply();
+    boolean isInfoReply();
 
     /**
      * Obtains nonce value.
@@ -55,7 +55,7 @@
      *
      * @return authentication data
      */
-    byte[] getAuthenticationData();
+    byte[] getAuthData();
 
     /**
      * Obtains TTL value.