[atkmm] Created tag 2.29.1

[Kjell Ahlstedt <kjellahl src gnome org>]

The unsigned tag '2.29.1' was created.

Tagger: Kjell Ahlstedt <kjellahlstedt gmail com>
Date: 1541329277 +0100

    2.29.1

Changes since the last tag '2.27.1':

Chun-wei Fan (6):
      build: Rename MSVC_Net2017 to MSVC_NMake
      build: Split out GNU-specific syntax from atk/atkmm/filelist.am
      build: Add NMake Makefiles for Visual Studio builds
      build: Remove the Visual Studio 2017 projects
      Merge branch 'master.nmake' into 'master'
      Fix reference documentation generation

Kjell Ahlstedt (9):
      Use glibmm-2.58 instead of glibmm-2.56
      Update .gitignore
      doc/reference/Doxyfile.in: Use doxygen-extra.css
      configure.ac, atkmm.doap: Update bug report address
      Use glibmm-2.60 instead of glibmm-2.58
      Regenerate .defs and docs.xml files
      Object: Fix the type of property_accessible_role()
      Change the ABI to atkmm-2.30
      2.29.1

Murray Cumming (1):
      Require C++17