New version 0.0.3
    - Domain Controller: Add decommission routine
    - Better trapping of non-ASCII output on subprocess
    - Domain Controller deployment
    - Make decommission asynchronous
    - Improve exception logging
    - DBusRole: New method get_name, using in RoleD.getNamedRole
    - Enable logging of subprocess output
    - Implement starting and stopping services, and use it in databaseserver
    - New async.async_subprocess_future helper
    - Changed async naming conventions
    - Convert exceptions in D-Bus methods in async methods
    - Added missing resetError message
    - Several fixes and cleanups