Homepage now says welcome guest instead of anonymouseUser

chatto/src/main/resources/templates/home.html

@@ -35,7 +35,12 @@
 									<th:block th:each="userName: ${userNames}">
 										<div th:text="${userName}"></div>
                                     </th:block> -->
-                                <span th:if="${message}"> </span> Welcome <span th:text="${#authentication.name}">nova</span>
+                                <span th:if="${message}"> </span>
+                                <div th:switch="${#authentication.name}">
+                                    <p th:case="'anonymousUser'">Welcome guest
+                                    </p>
+                                    <p th:case="*"><span th:text="'Welcome ' + ${#authentication.name}"></span></p>
+                                </div>
                                 <p>Chatto is a minimal, end to end encrypted chat application.</p>
                                 <!-- <button class="btn btn-secondary"> <a href="registration.html" th:href="{@/registration}">Get Started</a></button> -->
                                 <a class="btn btn-secondary" href="registration.html" th:href="@{/registration}">Get Started</a>