Zabbix

.......... [DEV-1260] added configuration parameter Alias

* commit 'e0ea63d46f79ce5d6d0b583ba16faef5ec4ff844':
  .......... [DEV-1260] reworked component startup to immediately exit on error
  .......... [DEV-1260] removed unused variable, added default agent options initialization
  .......... [DEV-1260] added aliases to Manager structure and changed *Alias() functions to Manager structure methods; fixed possible panic; added unit tests for getAlias()
  .......... [DEV-1260] refactoring
  .......... [DEV-1260] renamed alias structure
  .......... [DEV-1260] fixed key parsing error
  .......... [DEV-1260] fixed listener initialisation
  .......... [DEV-1260] added missing file
  .......... [DEV-1260] added configuration pareameter Alias