This change allows admins to deactivate and reactivate their
images. Currently this has to be done with the REST api or the
glanceclient.
This change introduces `--deactivate` and `--activate` for the `image
set` command.
This requires glanceclient 1.2.0. Which got bumped here:
https://review.openstack.org/#/c/257512/
Change-Id: I476c44a0343cdc92d58ddc93fb06470242de2345
Depends-On: I2c370c6bf6ff664d94d756cc76aaa983fbdb8869
Closes-Bug: 1516661