Fixed fontsize issue and added missing require and jquery from cdn.

IPython/nbconvert/templates/html/slides_reveal.tpl

@@ -45,6 +45,9 b''
 
 <title>{{resources['metadata']['name']}} slides</title>
 
+<script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.1.10/require.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
+
 <!-- General and theme style sheets -->
 <link rel="stylesheet" href="{{resources.reveal.url_prefix}}/css/reveal.css">
 <link rel="stylesheet" href="{{resources.reveal.url_prefix}}/css/theme/simple.css" id="theme">
@@ -107,6 +110,9 b' html {'
 div.input_area {
   padding: 0.06em;
 }
+div.input_area>div.highlight>pre {
+  font-size: 80%;
+}
 div.code_cell {
   background-color: transparent;
 }