Add stripe back into the libraries loaded.

templates/base.html

@@ -59,6 +59,8 @@
 
     <script src="//cdn.jsdelivr.net/g/bootbox@4.1.0,underscorejs@1.5.2,restangular@1.2.0,d3js@3.3.3,momentjs"></script>
 
+    <script src="https://checkout.stripe.com/checkout.js"></script>
+
     {% for script_path in library_scripts %}
       <script src="/static/{{ script_path }}?v={{ cache_buster }}"></script>
     {% endfor %}