Zabbix

..F.....S. [ZBXNEXT-9603] added new built-in macros and functions for timestamp tracking

* commit '88ff3c072c0f1e92c54e81b6f1ea00dedda99f16': (31 commits)
  ........S. [ZBXNEXT-9603] fixed warning
  ........S. [ZBXNEXT-9603] fixed merge
  ..F....... [DEV-4109] minor code refactoring; removing duplicate code
  ..F....... [DEV-4109] fixed time based macro resolution for log type items; fixed code style
  ..F....... [ZBXNEXT-9603] corrected formatting not reverted to its original state in 38b5611506f
  ..F....... [DEV-4109] fixed macro resolution for different item types
  ..F....... [DEV-4109] updated comment
  ..F....... [DEV-4109] code refactoring
  ..F....... [DEV-4109] code style fix
  ..F....... [DEV-4109] code style fix
  .D........ [DEV-4109] updated changelog
  ..F....... [DEV-4109] fixed typo
  ........S. [ZBXNEXT-9603] fixed warning
  ..F....... [DEV-4109] reverted unnecessary changes
  ..F....... [DEV-4109] code style fixes
  ..F....... [DEV-4109] fixed time based macro resolving
  ..F....... [DEV-4109] fixed time based macro resolving
  ..F....... [DEV-4109] added new built-in macros and history functions for timestamp tracking (part2); added unit tests for history functions
  ..F....... [DEV-4109] added new built-in macros and history functions for timestamp tracking (part1)
  ........S. [ZBXNEXT-9603] returned error in case of invalid timestamp
  ...