- bcn#887933 - Yast2 module Xen should be renamed to something more
  generic
  Renamed the following files and updated the methods to reflect the
  new generic naming syntax:
    xen.rb -> virtualization.rb
    xen.desktop -> virtualization-config.desktop
    VM_XEN.rb -> VirtConfig.rb
- 3.1.16
Fix date in changes file