[gtkmm] Created tag 2.21.8.1

[Murray Cumming <murrayc src gnome org>]

The unsigned tag '2.21.8.1' was created.

Tagger: Murray Cumming <murrayc murrayc com>
Date: Mon Sep 20 13:54:10 2010 +0200

    2.21.8.1

Changes since the last tag '2.21.8':

Murray Cumming (6):
      AlignmentEnum: Add ALIGN_START and ALIGN_END to match gtkmm 3.
      Fix some gmmproc warnings, adding some TextBuffer methods.
      Added some missing properties.
      Widget: Document the set_flags() and unset_flags() deprecation.
      Fix the make check build.
      2.21.8.1