Zabbix

A......... [DEV-3776] fixed SQL injection in user.get API

* commit '563951bbdbf90f0c116efdb8ecabb4dd759ffbae':
  A......... [DEV-3776] returned "roleid" in extended output of "selectRole" for backward compatibility
  .......... [DEV-3776] updated user API tests
  A......... [DEV-3776] fixed undefined array key error when retrieving user role without "roleid" in "output"
  A......... [DEV-3776] removed PHPDoc
  A......... [DEV-3776] fixed SQL injection in user.get API