Use info.repl in updateDefineFromField, fix regex

Marlin/configurator/index.html

@@ -13,7 +13,7 @@
   </head>
   <body>
     <section id="main">
-      <h1>Marlin Configurator 0.1a</h1>
+      <h1>Marlin Configurator</h1>
 
       <div id="message">
         <p class="info">Enter values in the form, get a Marlin configuration.<br/>Will include a drop-down of known configurations.</p>