Display a bit more prominent message if Hudson is going to show down.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@15915 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/lib/layout/main-panel.jelly

@@ -28,6 +28,9 @@ THE SOFTWARE.
   </st:documentation>
 
   <j:if test="${mode=='main-panel'}">
+    <j:if test="${app.isQuietingDown()}">
+      <div id='shutdown-msg'>${%Hudson is going to shutdown}</div>
+    </j:if>
     <a name="skip2content" />
     <d:invokeBody />
   </j:if>

war/resources/css/style.css

@@ -113,6 +113,18 @@ table.center-align td {
     left: -20000px;
 }
 
+#shutdown-msg {
+    font-weight: bold;
+    color: white;
+    background-color: #ef2929;
+    text-align: center;
+    margin-left: 2em;
+    margin-right: 2em;
+    margin-bottom: 0.5em;
+    padding: 0.5em;
+    -moz-border-radius: 0.5em;
+}
+
 a:link {
   text-decoration: underline;
   color: #204A87;