Make menu defaultly hidden.

app/coffee/modules/base.coffee

@@ -113,6 +113,9 @@ MainTaigaDirective = ($log, $compile, $rootscope) ->
         container = $el.find(".master > .wrapper")
         menuDom = $el.find("nav.menu")
 
+        if menuDom.hasClass("hidden")
+            menuDom.removeClass("hidden")
+
         dom = $compile(template({}))(targetScope)
         menuDom.empty()
         menuDom.append(dom)

app/index.jade

@@ -11,8 +11,10 @@ html(lang="en", ng-app="taiga")
 
     body(tg-main)
         include partials/views/modules/project-nav
-        nav.menu
+
         //- the content of nav.menu is in coffe.modules.base TaigaMain directive
+        nav.menu.hidden
+
         include partials/views/components/notification-message
 
         div.master(ng-view)