fix detail template and add text to ticket if checked in

src/tickets/templates/pdf/ticket.html

@@ -25,6 +25,9 @@
   <h3>Sponsor: {{ ticket.sponsor.name }} </h3>
   <img src="{{ ticket.sponsor.logo }}"></img>
 {% endif %}
+{% if ticket.checked_in %}
+  <h2>This ticket has been checked in.</h2>
+{% endif %}
 
 <center>
   <img src="{{ ticket.get_qr_code_url }}"></img>

src/tickets/templates/ticket_detail.html

@@ -1,8 +1,8 @@
-{% extends 'shop_base.html' %}
+{% extends 'tickets_base.html' %}
 {% load bootstrap3 %}
-{% load shop_tags %}
+{% load tickets_tags %}
 
-{% block shop_content %}
+{% block tickets_content %}
 
 <div class="well">