Resolve "Remove "Register absence" from menu and add buttons in week view, "My students" and person overview"

Closes #104 (closed)

aleksis/apps/alsijil/templates/alsijil/absences/register.html

@@ -6,6 +6,7 @@
 {% block page_title %}{% blocktrans %}Register absence{% endblocktrans %}{% endblock %}
 
 {% block content %}
+  <h6>{% trans "Person" %}: {{ person }}</h6>
 
   <form method="post">
     {% csrf_token %}