....I..... [ZBXNEXT-826] updated database version [2040000]

git-svn-id: svn://svn.zabbix.com/trunk@48939 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
.......... [ZBXNEXT-826] updated release date and version [2.4.0]

git-svn-id: svn://svn.zabbix.com/trunk@48940 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2