.......... [ZBXNEXT-826] updated release date [2.4.0rc2]

git-svn-id: svn://svn.zabbix.com/trunk@48874 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
.......... [ZBXNEXT-826] Windows precompiled agents [2.4.0rc2]

git-svn-id: svn://svn.zabbix.com/trunk@48875 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2