Merge pull request #80 from hubverse-org/mc/ptc-to-3_1_5

updated demo/index.html to use latest predtimechart.bundle.js

Author: matthewcornell

demo/index.html

@@ -34,7 +34,7 @@
 </div>
 
 <script type="module">
-    import App from 'https://cdn.jsdelivr.net/gh/reichlab/predtimechart@3.1.4/dist/predtimechart.bundle.js';
+    import App from 'https://cdn.jsdelivr.net/gh/reichlab/predtimechart@3.1.5/dist/predtimechart.bundle.js';
     document.predtimechart = App;  // for debugging
 
     function replace_chars(the_string) {