atkmm 2.21.2 (unstable)

* Documentation: Added text for the main page.
  (Murray Cumming)

atkmm 2.21.1 (unstable)

First release as a separate module. This was previously part of the gtkmm module.
Distro packagers should deal with this in the same way that they dealt with
pangomm when that was split off from gtkmm.
