Shifted Hterm.js to wetty file

public/wetty/index.html

@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <title>Wetty - The WebTTY Terminal Emulator</title>
     <script src="/wetty/socket.io/socket.io.js"></script>
+    <script src="/wetty/wetty.js"></script>
     <style>
       html, body {
         height: 100%;