hide internal ous

and fix captiveportal exception in unit tests
clear treeview selection when clicking a different node
proper style for raid not enabled message

and added missing changelog entry about UI restyling
fixed typo that made hiddenSid() not work
Merge pull request #511 from Zentyal/jacalvo/ignore-internals

Jacalvo/ignore internals
fixed ou name
safer way to hide ous
temporary fix for regression in setting title: 'internal' for kerberos principal users
fixed regression in GPOLinks treeview
reduce header size now that the logo is smaller
better look for the 502 page
update translations from pootle
Merge branch 'master' of github.com:Zentyal/zentyal
update pos from source
create ou=Extensions if not exists

fixes regression in add user when asterisk is enabled
Merge branch 'master' into jag/mail-group-addon-not-reload

Conflicts:
	main/core/ChangeLog