Avoid composer global require; use cgr instead. (#2000)
Avoid composer global require; use cgr instead. (#2000)

For https://github.com/pantheon-systems/terminus/issues/1999 and https://github.com/pantheon-systems/terminus/issues/1853#issuecomment-388422090
pantheon-systems/cli,pantheon-systems/cli,pantheon-systems/cli