material icons and jquery now in static

schoolapps/templates/partials/header.html

@@ -13,7 +13,7 @@
     <!--------->
     <!-- CSS -->
     <!--------->
-    <link href="https://info.katharineum.de/webfonts/materialdesignicons-webfont/" rel="stylesheet">
+    <link href="{% static 'materialdesignicons-webfont' %}" rel="stylesheet">
     <link rel="stylesheet" type="text/css" media="screen"
           href="{% static 'materialize/dist/css/materialize.min.css' %}">
 
@@ -24,7 +24,7 @@
     <!---------------->
     <!-- JavaScript -->
     <!---------------->
-    <script src="https://info.katharineum.de/javascript/jquery/jquery.js"></script>
+    <script src="{% static 'jquery/jquery.js' %}"></script>
     <script src="{% static 'materialize/dist/js/materialize.min.js' %}"></script>
     <script src="{% static 'common/helper.js' %}"></script>
     <!-- django-material -->