fix search.json and unmangle the minified file to see if we can get through the github pages problem.

Gruntfile.js

@@ -258,7 +258,7 @@ module.exports = function (grunt) {
         compress: {
           warnings: true
         },
-        mangle: true,
+        mangle: false,
         preserveComments: /^!|@preserve|@license|@cc_on/i
       },
       core: {

docs/_includes/footer.html

@@ -47,7 +47,7 @@ SimpleJekyllSearch.init({
   resultsContainer: document.getElementById('search-results'),
   searchResultTemplate: '<a class="dropdown-item" href="{url}">{title}</a>',
   noResultsText: '<div class="dropdown-item no-results">Sorry, there are no results for that search.</div>',
-  json: '/search.json'
+  json: '{{ site.baseurl }}/search.json'
 })
 </script>
 {% endif %}