Add support for new options added in v0.14.0 to bash completion
Add support for new options added in v0.14.0 to bash completion

- Added `--client-certs` flag to the docker-machine `regenerate-certs` command.
- Added `--quiet` flag to `scp` to suppress progress output

Signed-off-by: Harald Albers <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@albersweb.de>

exoscale/docker-machine,docker/machine,dgageot/machine,ibuildthecloud/machine,dgageot/machine,docker/machine,ibuildthecloud/machine,dweomer/docker-machine,exoscale/docker-machine,dweomer/docker-machine