Zabbix

..F....... [ZBX-15952] fixed errors when trying to create a graph widget for key system.cpu.util[,iowait] with Y axis placed on the left side of the graph

* commit '15ab23165a13b4a30f734aee491764e1805d102f':
  .D........ [ZBX-15952] added new ChangeLog entry
  ..F....... [ZBX-15952] fixed relative position calculation for very small difference between min and max value
  ..F....... [ZBX-15952] fixed errors when trying to create a graph widget for key system.cpu.util[,iowait] with Y axis placed on the left side of the graph

(cherry picked from commit 8a93ed1081c1ee2a106af33e352cb504182425f8)
(cherry picked from commit 5274a0b1d8d96fb87509fa1ab5417ef0d1678e1e)