implemented two related Dbus methods:
- unregister
- unlisten
improved error handling for Dbus method:
- link
fixed logic error in Manager.java (line 876) because daemon
could still be running after a particular account is unregistered.
broadened WebSocketUnavailableException (line 913) to catch all
IOExceptions caused by unregistering account while daemon is running.
specified error message handling in ProvisioningManager.java and
DbusSignalControlImpl.java for link subcommand.
helper methods:
- getPathConfig in Manager.java
- private removeUserData in DbusSignalImpl.java