[0.85] fix upgrade for rights + more work for #4480


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21744 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] more work for #4480


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21746 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] fix last see #4480 (moyo tired)


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21748 35612d4c-9d10-0410-837c-bf9dd1be60d7