.......... [ZBXNEXT-826] updated release date and version [2.2.4rc2]

git-svn-id: svn://svn.zabbix.com/trunk@46389 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
........S. [ZBX-8336] fixed server crash with value cache is working in low memory mode
           [merge ^/branches/2.2 -c r46391]


git-svn-id: svn://svn.zabbix.com/trunk@46393 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
...G...PS. [ZBX-8172] merged in JSON fix (the r46177 commit contained only changelog update)


git-svn-id: svn://svn.zabbix.com/trunk@46403 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
.......PS. [ZBX-8325] fixed crash with Oracle when inserting large number of records
           [merge ^/branches/2.2 -c r46407]


git-svn-id: svn://svn.zabbix.com/trunk@46408 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
...G...PS. [ZBX-8343] fixed a bug in binary heap that could cause a slightly inconsistent ordering of elements in the queue

git-svn-id: svn://svn.zabbix.com/trunk@46415 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
.......PS. [ZBX-8095] fixed a bug in item queue that updated item's nextcheck but not its position in the queue

git-svn-id: svn://svn.zabbix.com/trunk@46422 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
..F....... [ZBX-8301] restricted "unique" attribute to Zabbix agent & SNMP checks in discovery rule creation


git-svn-id: svn://svn.zabbix.com/trunk@46428 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2
.D........ [ZBX-1357] update changelog entry

git-svn-id: svn://svn.zabbix.com/trunk@46433 f4e7fd02-d210-4e34-a1e0-d4093fb66cc2