Merge pull request #1 in AW/integresql-client-go from mr/discard-temp…

…late to master

* commit '128b27517515641fa2c0a9b40534f98b3acb41e1':
  test and fix finalizeTemplate after discard
  support discard template by upstream server
  commented details to attach to existing docker-compose service network
  flag docker-helper executable
  Moved client to root repository level to fix importing
  Fixed go module name