Add javascript license information

This change adds javascript license information according to:
https://www.gnu.org/software/librejs/free-your-javascript.html

Change-Id: Iaf9c48e1edfea8f3043a4056ce2d76460b3a42d9
diff --git a/etc/status/public_html/jquery.zuul.js b/etc/status/public_html/jquery.zuul.js
index 5c69bd1..c7e23b2 100644
--- a/etc/status/public_html/jquery.zuul.js
+++ b/etc/status/public_html/jquery.zuul.js
@@ -1,5 +1,8 @@
 // jquery plugin for Zuul status page
 //
+// @licstart  The following is the entire license notice for the
+// JavaScript code in this page.
+//
 // Copyright 2012 OpenStack Foundation
 // Copyright 2013 Timo Tijhof
 // Copyright 2013 Wikimedia Foundation
@@ -16,6 +19,9 @@
 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 // License for the specific language governing permissions and limitations
 // under the License.
+//
+// @licend  The above is the entire license notice
+// for the JavaScript code in this page.
 
 (function ($) {
     'use strict';