* Improved resolving of a parent domain parameter. Now, a command parameter can inherit
a domain parameter under a different name and override a subset of its attributes.
* Added 2 response headers in `describe-instance` command
* `instanceStopDate`
* `instanceTerminationDate`
* Added ability to set tags for several instances, now it is possible to specify several values for `instance-id` parameter.
* Added validation of the `region` parameter to the `multitenant-report` command
* Removed the `template-type` parameter from the `publish-service` command.
Now, the type of template is determined automatically.