[glibmm] Created tag 2.40.0

[Murray Cumming <murrayc src gnome org>]

The unsigned tag '2.40.0' was created.

Tagger: Murray Cumming <murrayc murrayc com>
Date: Sun Apr 13 16:24:56 2014 +0200

    2.40.0

Changes since the last tag '2.39.93':

Chun-wei Fan (1):
      Visual Studio Builds: Update glibmm Project

Kjell Ahlstedt (2):
      gmmproc: Small improvement of enum documentation
      tools/extra_defs_gen/generate_extra_defs.cc: Update some comments

Murray Cumming (4):
      Options example: For the remaining arg(s), remove description.
      VariantType: Fix typo in VARIANT_TYPE_BYTESTRING_ARRAY.
      Application: Also comment out add_option_group() for now.
      2.40.0