astakos: Use proper update_token url

Propagate update_token url via window object to the updateToken js function.

snf-astakos-app/astakos/im/static/im/js/forms.js

@@ -124,10 +124,10 @@
 
   };
   
-  var MIDDLEWARE_TOKEN_INPUT_NAME = window.MIDDLEWARE_TOKEN_INPUT_NAME || 'csrfmiddlewaretoken';
-  var CHANGE_TOKEN_URL = window.CHANGE_TOKEN_URL || '/im/profile/update_token';
 
   function renewToken() {
+    var MIDDLEWARE_TOKEN_INPUT_NAME = window.MIDDLEWARE_TOKEN_INPUT_NAME || 'csrfmiddlewaretoken';
+    var CHANGE_TOKEN_URL = window.CHANGE_TOKEN_URL;
     var csrf_value = $("input[name="+MIDDLEWARE_TOKEN_INPUT_NAME+"]").val();
     var url = CHANGE_TOKEN_URL;
     var form = $("<form>");

snf-astakos-app/astakos/im/templates/im/profile.html

@@ -5,6 +5,9 @@
 {% block headjs %}
 	{{ block.super }}	 
 	<script src="{{ IM_STATIC_URL }}js/auth_methods.js"></script>	
+    <script>
+      var CHANGE_TOKEN_URL = '{% url update_token %}';
+    </script>	
 {% endblock %}	
 {% block body %}