* Merge with debian unstable:
  - debian/patches:
    + 01keyboard_makefile.patch, 10keyboard_layouts.patch: provide a
      keyboard layout configuration tool
    + xubuntu-default-screensaver.dpatch: open gnome-screensaver-preferences
      instead of xscreensaver-demo
    + 00list: updated
  - debian/control:
    + Build Depends on libxklavier12-dev | libxklavier-dev
    + Recommends x11-utils
    + Adhere to DebianMaintainerField
* debian/rules: keep the .desktop installed, but add "NoDiplay=true" to hide
  them by default