Zabbix

.......... [DEV-2318] refactored prometheus library

* commit '5fe66b255f4cc320cd161cb68704d2a270bb251e':
  .......... [DEV-2318] added unrelated typo fix
  .......... [DEV-2318] reorganized and fixed minor problems
  .......... [DEV-2318] fixed function descriptions
  .......... [DEV-2318] moved once defined macros
  .......... [DEV-2318] changed anonymous vector in prometheus library