BOM-1399

checking django-wiki and fixing deprecation warnings.

cms/templates/checklists.html

@@ -6,7 +6,7 @@
 
   from cms.djangoapps.contentstore import utils
   from cms.djangoapps.contentstore.config.waffle_utils import should_show_checklists_quality
-  from django.core.urlresolvers import reverse
+  from django.urls import reverse
   from django.utils.translation import ugettext as _
   from openedx.core.djangolib.markup import HTML, Text
   from openedx.core.djangolib.js_utils import js_escaped_string, dump_js_escaped_json

cms/templates/course_outline.html

@@ -10,7 +10,7 @@ from util.date_utils import get_default_time_display
 from django.utils.translation import ugettext as _
 from openedx.core.djangolib.js_utils import js_escaped_string, dump_js_escaped_json
 from openedx.core.djangolib.markup import HTML, Text
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 %>
 <%block name="title">${_("Course Outline")}</%block>
 <%block name="bodyclass">is-signedin course view-outline</%block>

cms/templates/maintenance/_announcement_index.html

@@ -1,9 +1,11 @@
 <%page expression_filter="h"/>
 <%namespace name='static' file='../static_content.html'/>
 <%!
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.utils.translation import ugettext as _
+
 from openedx.core.djangolib.markup import HTML, Text
+
 %>
 <div class="studio-view maintenance-form">
     <div class="form-create">