Zabbix

..F....... [DEV-2472] fixed xss vulnerability in graph item properties

* commit '40136730c47fbe35f51aa73da4cd7c5ec760f02f':
  ..F....... [DEV-2472] reverted accidentally removed code
  ..F....... [DEV-2472] fixed error reporting in graph edit form
  ..F....... [DEV-2472] fixed undefined index error in graph edit form
  ..F....... [DEV-2472] fixed double error message
  ..F....... [DEV-2472] fixed color validation
  ..F....... [DEV-2472] fixed color validation
  ..F....... [DEV-2472] fixed color validation
  ..F....... [DEV-2472] fixed xss vulnerability in graph item properties