work on file upload


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21734 35612d4c-9d10-0410-837c-bf9dd1be60d7
more work on file upload


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21735 35612d4c-9d10-0410-837c-bf9dd1be60d7
drop zone for file upload


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21736 35612d4c-9d10-0410-837c-bf9dd1be60d7