Zabbix

.......PS. [ZBX-27279] fixed 'daylight saving time' error for scheduled reports

* commit 'ac0533e5d9ef6db8f7a30d0ef244f83e1cb4d679':
  .......PS. [ZBX-27279] fixed comment
  .......PS. [ZBX-27279] improved DST detection for tm_add_seconds
  .......PS. [ZBX-27279] fixed description of tm_add_seconds function
  .......PS. [ZBX-27279] fixed DST detection for tm_add_seconds
  .......PS. [ZBX-27279] fixed DST state error for zbx_tm_(add/sub) functions
  ........S. [ZBX-27279] reverted all previous changes
  ........S. [ZBX-27279] updated variable name
  ........S. [ZBX-27279] updated report->cycle log message
  ........S. [ZBX-27279] fixed report rescheduling log message
  ........S. [ZBX-27279] updated statement format
  ........S. [ZBX-27279] moved variables
  ........S. [ZBX-27279] added report date recalculations