[0.84] Ticket recurrent trouble with summer time fixed #4869


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@22907 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.84] Bug in mandatory actors : mandatory may be deleted fixed #4865


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@22909 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.84] clean see #4865 


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@22910 35612d4c-9d10-0410-837c-bf9dd1be60d7