Merge pull request #93 from dapenggao/patch-1

Enable pinch zooming on mobile devices

_includes/head.html

@@ -3,7 +3,7 @@
   <link href="http://gmpg.org/xfn/11" rel="profile">
 
   <!-- Enable responsiveness on mobile devices-->
-  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
   <title>
     {% if page.title == "Home" %}