Univention Corporate Server 4.4 erratum 183 (bugfix)

This update addresses the following issue(s):
* Requesting a Univention license activation during the initial system
  configuration has been repaired.
* For UCS@school: The setup process now includes a new confirmation
  prompt in UCS@school environments to make sure that the server
  should be set up with the correct UCS@school role (educational,
  administrative or central).