Added bing webmaster tools verification meta

Author: bengrunfeld

docs/theme/deis/layout.html

@@ -24,6 +24,7 @@
     <meta name="description" content="{{ meta['description'] if meta }}">
     <meta name="keywords" content="{{ meta['keywords'] if meta }}" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="msvalidate.01" content="079E754911917142D42AB2A3694F9267" />
     <link rel="stylesheet" href="{{ pathto('_static/css/bootstrap.css', 1) }}" type="text/css">
     <link rel="stylesheet" href="{{ pathto('_static/css/bootstrap-responsive.css', 1) }}" type="text/css">
     <link rel="stylesheet" href="{{ pathto('_static/css/main.css', 1) }}" type="text/css">