Revert "Declared some script resources async"

This reverts commit b32f8f63.

core/templates/base.html

@@ -18,17 +18,18 @@
   <link rel="stylesheet" href="{% static 'lib/css/bootstrap.min.css' %}">
   <link rel="stylesheet" href="{% static 'lib/css/custom.css' %}">
 
-  {# Load other javascript #}
-  <script async src="{% static 'lib/js/jquery-3.1.1.min.js' %}"></script>
-  <script async src="{% static 'lib/js/tether.min.js' %}"></script>
-  <script async src="{% static 'lib/js/bootstrap.min.js' %}"></script>
-
-  {# sortable table stuff #}
-  <script async src="{% static 'lib/js/jquery.dataTables.min.js' %}"></script>
-  <script async src="{% static 'lib/js/dataTables.bootstrap4.min.js' %}"></script>
 
   {# Importing stuff for ACE editor #}
   <script src="{% static 'lib/ace/ace.js' %}"></script>
+
+  {# Load other javascript #}
+  <script src="{% static 'lib/js/jquery-3.1.1.min.js' %}"></script>
+  <script src="{% static 'lib/js/tether.min.js' %}"></script>
+  <script src="{% static 'lib/js/bootstrap.min.js' %}"></script>
+
+  {# sortable table stuff #}
+  <script src="{% static 'lib/js/jquery.dataTables.min.js' %}"></script>
+  <script src="{% static 'lib/js/dataTables.bootstrap4.min.js' %}"></script>
 </head>
 
 {# Navbar contaning: Brand - Title - Page Title <---> (Username - Logout || Login form) #}