small fixes rubriken und themen

app/views/themen/verwalten.html.erb

@@ -20,5 +20,7 @@
 <h2><%= I18n.t('attachment.title')%>:</h2>
 <div id="attachmentform">
 </div>
+
 <%= link_to new_thema_attachment_path(@thema) ,:remote=>true do %> new Attachment <% end %>
 <%= render :partial => "themen/select", :object => @thema, :locals=>{:editor => :false} %>
+<%= link_to I18n.t('common.back'), themengruppen_path, :class=>:btn %>