facts: handle line breaks in view display of fact

facts/templates/facts/factcategory_detail.html

@@ -4,7 +4,7 @@
 
 {% block content %}
   <h3>{{ factcategory.name }}</h3>
-  <p>{{ factcategory.random_fact.fact }}</p>
+  <p>{{ factcategory.random_fact.fact|linebreaks }}</p>
   {% if factcategory.show_all_entries %}
     <div class="fact-category-items">Items: {{ facts|join:", " }}</div>
   {% endif %}