Zabbix

.......... [DEV-1348] converted go project to module packaging and moved go sources to src/ directory

* commit 'b3dcda5bf17675879b53557757994ed484f2c9ca':
  .......... [DEV-1348] fixed rebase
  .......... [DEV-1348] added zabbix_agent2 configuration file to gitignore
  .......... [DEV-1348] added zabbix_agent2 binary to gitignore
  .......... [DEV-1348] move agent2 sources form go/src to src/go
  .......... [DEV-1348] removed redundat gopath from install target
  .......... [DEV-1348] updated title message
  .......... [DEV-1348] fixed agent2 build-time variables
  .......... [DEV-1348] fixed agent2 conf file copying
  .......... [DEV-1348] converted go structure to module pattern

(cherry picked from commit d66e357c1c8c943b4086f8f76d9ea061cd9ed73b)