Fix: google fonts load as same protocol

views/layout/layout.html

@@ -18,7 +18,7 @@
   {% endif %}
 
   <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
-  <link href='http://fonts.googleapis.com/css?family=Maven+Pro:400,700' rel='stylesheet' type='text/css'>
+  <link href='//fonts.googleapis.com/css?family=Maven+Pro:400,700' rel='stylesheet' type='text/css'>
   {% if env  == 'development' %}
   <script src="/js/crowi.js"></script>
   {% else %}