Zabbix

...G...P.. [ZBX-16512] fixed false item insertion into the queue after maintenance

* commit 'af01986eadae8ebecd44fe04f6f43225c33a1a2a':
  .D........ [ZBX-16512] added ChageLog
  ........S. [ZBX-16512] fixed comment
  ...G...P.. [ZBX-16512] fixed coding style
  ...G...P.. [ZBX-16512] fixed update item nextcheck during maintenance if host is monitored by proxy

(cherry picked from commit c84d7ea01c1e3e2731635fe7075ee6d6c19f0e56)
(cherry picked from commit b3eb61b730ed2d829b14ecff6d8a7b516340414f)