update conditions to use through for self links

atlas/templates/atlas/condition_detail.html

@@ -26,6 +26,10 @@
         {% for parent in condition.parent.all  %}
             <a href="{{parent.get_absolute_url}}">{{parent}}</a>
         {% endfor %}<br />
+        Children:
+        {% for child in condition.child.all  %}
+            <a href="{{child.get_absolute_url}}">{{child}}</a>
+        {% endfor %}<br />
         RCR condition: {{condition.rcr_curriculum}}<br/>
 
         {% if not condition.rcr_curriculum %}