add description in layouts, fix page.name

_layouts/default.html

@@ -6,6 +6,8 @@
   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
   {% if page.description %}
     <meta name="description" content="{{ page.description }}">
+  {% elsif layout.description %}
+	<meta name="description" content="{{ layout.description }}">
   {% endif %}
 
   {% if page.title %}

_layouts/version.html

 ---
 layout: default
-title: page.name
+description: "Poney"
 css: version
 ---