username truncation functionality added

src/templates/apps/dashboard/my_lists.html

@@ -1,9 +1,10 @@
 {% extends "core/base.html" %}
+{% load lyric_extras %}
 
-{% block header_text %}{{ user.email }}'s lists{% endblock header_text %}
+{% block header_text %}{{ user|display_name }}'s lists{% endblock header_text %}
 
 {% block content %}
-    <h3>{{ owner.email }}'s lists</h3>
+    <h3>{{ owner|display_name }}'s lists</h3>
     <ul>
         {% for list in owner.lists.all %}
             <li><a href="{{ list.get_absolute_url }}">{{ list.name }}</a></li>