File was edited outside of BT code, so newline was added.

Set Software Instance roles directly from aggregate related object.

Use double interaction, called twice: in order to being able to reset role on
removal or set it on setting.

It allows locating workflow.

Rationale: Hosting Subscription workflow changed.

Access to low level methods will be required.

Drop not needed SlaveInstanceStopComputerPartitionInstallation.

Add parameter to useradd specifying that we have daemon (system) user, not normal one.