Fix early notices.

src/General/Header.coffee

@@ -6,6 +6,7 @@ Header =
 
     @bar    = $ '#header-bar', headerEl
     @toggle = $ '#toggle-header-bar', @bar
+    @noticesRoot = $ '#notifications', headerEl
 
     @menu = new UI.Menu 'header'
     menuButton = $.el 'a',

src/General/Notice.coffee

@@ -19,7 +19,7 @@ class Notice
       $.on d, 'visibilitychange', @add
       return
     $.off d, 'visibilitychange', @add
-    $.add $.id('notifications'), @el
+    $.add Header.noticesRoot, @el
     @el.clientHeight # force reflow
     @el.style.opacity = 1
     setTimeout @close, @timeout * $.SECOND if @timeout