update requirements

requirements.txt

@@ -13,6 +13,8 @@ Flask-Principal==0.4.0
 Flask-Script==2.0.5
 Flask-SQLAlchemy==2.2
 Flask-WTF==0.14.2
+flask-msearch==0.1.2
+Whoosh==2.7.4
 gevent==1.1.1
 gunicorn==19.4.5
 hiredis==0.2.0

templates/topic/item/heading.html

@@ -1,3 +1,4 @@
+{% import 'base/link.html' as link %}
 {% from 'topic/item/_macro.html' import title %}
 {% set author = topic.author %}
 <div class="panel-heading media">