Merge branch 'master' into test

seminar/templates/seminar/cojemam/organizatori.html

@@ -29,7 +29,7 @@
     </h3>
 
     <div class="org_email">
-      {% if org.osoba.email %}
+      {% if org.osoba.email and user.is_authenticated %}
         {# zobrazeni e-mailu (na jednom radku, aby nevznikaly mezery navic) #}
         {% for znak in org.osoba.email %}{% if znak == '@' %}&commat;{% else %}{{znak}}{% endif %}{% endfor %}
       {% endif %}