Hardshare

* rename: `hardshare terminate` -> `hardshare stop-ad`.

* Include add-on `java` when in CLI `addon-mistyproxy`.

-- Scott C. Livingston <scottrerobots.net> Thu, 07 Jan 2021 16:13:51 -0800

* New CLI command: addon-vnc {--add, --rm}

* `hardshare addon-` commands fail if active cameras.

* Quit re-connect attempts after 20 minutes of fail.

-- Scott C. Livingston <scottrerobots.net> Sat, 26 Dec 2020 20:13:16 -0800

* attach-camera: only upload video when there is active instance.

* To simplify creating misty-py sandboxes, adding or removing mistyproxy now
does same for add-on `py`.

-- Scott C. Livingston <scottrerobots.net> Mon, 30 Nov 2020 09:24:44 -0800

* New CLI commands to manage add-ons: addon-cmdsh, addon-mistyproxy.

* Option to daemonize `attach-camera`.

* New command to stop all `attach-camera` processes: stop-cameras.

* Print more information about failures to register, e.g., requires billing changes.

-- Scott C. Livingston <scottrerobots.net> Wed, 18 Nov 2020 08:09:09 -0800

* Create SSH key pair in `config -c`.

* Wait for tunnel before READY to prevent race condition in some applications.

-- Scott C. Livingston <scottrerobots.net> Fri, 30 Oct 2020 07:34:52 -0700

* New CLI command: `rules` for managing permissions.

* Improve behavior of failures when `harshare ad`.

* Minimum viable cprovider: proxy; in this release, only TCP port forwards.

* Explicit confirmation for `hardshare dissolve`.

* Return custom descriptions in get_remote_config, in CLI `hardshare config -l`.

* Remove option to select servers other than hs.rerobots.net.

-- Scott C. Livingston <scottrerobots.net> Fri, 23 Oct 2020 08:14:09 -0700