[0.85] work on entity_dropdown - see #918

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21216 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] fix migration for autoclose_delay

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21219 35612d4c-9d10-0410-837c-bf9dd1be60d7