Added Bing Webmaster Tools validation token

Author: bengrunfeld

docs/theme/deis/layout.html

@@ -34,6 +34,7 @@
     <script src="{{ pathto('_static/js/modernizr-2.6.2-respond-1.1.0.min.js', 1) }}"></script>
     <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
     <script>window.jQuery || document.write('<script src="{{ pathto('_static/js/jquery-1.10.2.min.js', 1) }}"><\/script>')</script>
+    <meta name="msvalidate.01" content="08598E7D936D9217891AE6C1665A645D" />
   {%- if pagename == 'index' %}
   <link rel="canonical" href="http://docs.deis.io/en/latest">
   {% else %}