More tags accepted in the orga and event description

app/views/events/show.html.haml

@@ -91,8 +91,8 @@
 %h3= t '.description'
 .description
   = description sanitize @event.description,
-    tags: %w(p h1 h2 h3 h4 br table tr th td ul ol li a strong b em i img),
-    attributes: %w(href src width height style)
+    tags: %w(p h1 h2 h3 h4 br table tr th td ul ol li a strong b em i img sub sup),
+    attributes: %w(href src width height style title)
 
 %h3
   %em.fa.fa-info-circle

app/views/orgas/show.html.haml

@@ -75,8 +75,8 @@
 %h3= t '.description'
 .description
   = description sanitize @orga.description,
-    tags: %w(p h1 h2 h3 h4 br table tr th td ul ol li a strong b em i img),
-    attributes: %w(href src width height style)
+    tags: %w(p h1 h2 h3 h4 br table tr th td ul ol li a strong b em i img sub sup),
+    attributes: %w(href src width height style title)
 
 %dl
   - if @orga.department.present?