Merge branch '76-admin-group-edit' into 'master'

Fix group edit in admin area

Fixes #76

Strangly, the buttons were pushed out of the form. By including them in the fieldset of the second part of form, the layout doesn't change, but the buttons are nested within the form and are functional again.

app/views/admin/groups/edit.html.haml

@@ -30,7 +30,6 @@
   %fieldset
     %legend LDAP group settings
     %div.form-holder
-      = form_for @group do |f|
       .form-group.clearfix
         = f.label :ldap_cn, class: 'control-label' do
           LDAP Group cn