Rename Jinja variable

* The issue is a name collision in Jinja
* renamed "messages" to "notifications", because the section that
  displays them is called "notifications"

askbot/jinja2/user_inbox/responses.html

@@ -4,7 +4,7 @@
     {% trans %}notifications{% endtrans %}
 {% endblock %}
 {% block inbox_content %}
-    {% if messages %}
+    {% if notifications %}
     <div class="js-manage-messages">
         <a class="js-mark-as-seen">{% trans %}mark seen{% endtrans %}</a> |
         <a class="js-delete">{% trans %}delete{% endtrans %}</a> 
@@ -15,7 +15,7 @@
     {% endif %}
     <p class="action-status"><span></span></p>
     <div class="messages">
-    {% for message in messages %}{# messages are grouped by question, using the "nested_messages" #}
+    {% for message in notifications %}{# messages are grouped by question, using the "nested_messages" #}
         <div class="js-message-group">
             <h2><input type="checkbox" />"{{ message.title.strip()|escape}}"</h2>
             <div class="message{% if message.is_new %} highlight new{% else %} seen{% endif %}"

askbot/views/users.py

@@ -1064,7 +1064,7 @@ def user_responses(request, user, context):
         'tab_name' : 'inbox',
         'inbox_section': section,
         'page_title' : _('profile - responses'),
-        'messages' : filtered_message_list,
+        'notifications' : filtered_message_list,
     }
     context.update(data)
     template = 'user_inbox/responses.html'