changed read_comic page width to auto to make better use of space.

margins were way too wide. and we could use that space on tablets.

comic/templates/base.html

@@ -52,9 +52,9 @@
             <li><a href="/">Home</a></li>
         {% endblock %}
     </ol>
-    <div class="container">
+
         {% block content %}{% endblock %}
-    </div>
+
 
     <!-- /.container -->
     <footer class="footer">