GUACAMOLE-680: Display logged-out status as notification.

guacamole/src/main/frontend/src/app/index/styles/logged-out.css

@@ -21,3 +21,9 @@
     background: white;
     z-index: 20;
 }
+
+.logged-out-modal .notification {
+    display: inline-block;
+    max-width: 3in;
+    width: 100%;
+}

guacamole/src/main/frontend/src/index.html

@@ -43,11 +43,13 @@
         <!-- Manually logged-out -->
         <div class="logged-out-modal" ng-switch-when="loggedOut">
             <guac-modal>
+                <div class="notification">
                     <p translate="APP.INFO_LOGGED_OUT"></p>
                     <p>
                         <button translate="APP.ACTION_LOGIN_AGAIN" ng-disabled="reAuthenticating"
                                 ng-click="reAuthenticate()"></button>
                     </p>
+                </div>
             </guac-modal>
         </div>