[0.85] review r20256  : revert + setup a simple solution


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20258 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] fix ticket task planning check


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20260 35612d4c-9d10-0410-837c-bf9dd1be60d7