Zabbix

...G...PS. [DEV-2144] refactored libzbxself

* commit '17f7c3d60eecb2fdb02d57aa72c54ce9118dc187':
  ...G...PS. [DEV-2144] added missing include
  ...G...PS. [DEV-2144] fixed typo
  ...G...PS. [DEV-2144] fixed typo
  ...G...PS. [DEV-2144] removed global process_type variable
  ...G...PS. [DEV-2144] removed global process_num, server_num variables
  ...G...PS. [DEV-2144] removed some global thread info references
  ...G...PS. [DEV-2144] removed global thread info from agent
  ...G...PS. [DEV-2144] fixed conflicting function types
  ...G...PS. [DEV-2144] improved readability
  ...G...PS. [DEV-2144] improved const-correctness
  ...G...PS. [DEV-2144] reduced scope
  ...G...PS. [DEV-2144] fixed typos
  ...G...PS. [DEV-2144] removed zabbix_server/selfmon dependencies from tests
  ...G...PS. [DEV-2144] refactored libzbxself