GUI2 add in support for Preferences Service

Change-Id: Icdf2165d9f638aeff1b110a64777b93295935ed2
diff --git a/web/gui2/src/main/webapp/app/onos.component.html b/web/gui2/src/main/webapp/app/onos.component.html
index 0fedcca..029d524 100644
--- a/web/gui2/src/main/webapp/app/onos.component.html
+++ b/web/gui2/src/main/webapp/app/onos.component.html
@@ -14,7 +14,7 @@
 ~ limitations under the License.
 -->
 <div id="view" onosDetectBrowser>
-    <onos-mast username="onos"></onos-mast>
+    <onos-mast [username]="onos.username"></onos-mast>
     <onos-nav></onos-nav>
     <onos-veil #veil></onos-veil>
     <div>{{ wss.setVeilDelegate(veil) }}</div>