[0.85] Add more informations on massive actions errors  fixed #4286


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20471 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] Replace html_clean by a complete system
fixed #2619


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20472 35612d4c-9d10-0410-837c-bf9dd1be60d7