Converted md wrapper to ES6

wrappers/md.jsx

@@ -0,0 +1,51 @@
+import React from 'react';
+import moment from 'moment';
+import DocumentTitle from 'react-document-title';
+import { link } from 'gatsby-helpers';
+import ReadNext from '../components/ReadNext';
+
+import '../css/zenburn.css';
+
+module.exports = React.createClass({
+  render: function() {
+    var post, rhythm;
+    rhythm = this.props.typography.rhythm;
+    post = this.props.page.data;
+
+    return (
+      <DocumentTitle title={`post.title | props.config.blogTitle`}>
+        <div className="markdown">
+          <h1>{post.title}</h1>
+          <div dangerouslySetInnerHTML={{__html: post.body}}/>
+          <em
+            style={{
+              display: 'block',
+              marginBottom: rhythm(2)
+            }}
+          >
+            Posted {moment(post.date).format('MMMM D, YYYY')}
+          </em>
+          <hr
+            style={{
+              marginBottom: rhythm(2)
+            }}
+          />
+          <ReadNext post={post} {...this.props}/>
+          <p>
+            <img
+              src={link("/kyle-round-small-pantheon.jpg")}
+              style={{
+                float: 'left',
+                marginRight: rhythm(1/4),
+                marginBottom: 0,
+                width: rhythm(2),
+                height: rhythm(2)
+              }}
+            />
+            <strong>{this.props.config.authorName}</strong> lives and works in San Francisco building useful things. <a href="https://twitter.com/kylemathews">You should follow him on Twitter</a>
+          </p>
+        </div>
+      </DocumentTitle>
+    );
+  }
+});