[gtkmm] Created tag gtkmm-2.19.4

[David King <davidk src gnome org>]

The signed tag 'gtkmm-2.19.4' was created.

Tagger: David King <davidk openismus com>
Date: Tue Jan 26 11:05:28 2010 +0100

    Release 2.19.4

Changes since the last tag 'gtkmm-2.19.2':

Murray Cumming (11):
      Deprecate some methods that wrap deprecated C functions.
      Fix build with latest GTK+.
      Added OffscreenWindow. Added Window::get/set_mnemonics_visible().
      ToolItemGroup: Slight API improvements.
      Correct ChangeLog
      Wrapped some new GTK+ functions.
      Updated gtk_docs.xml to get API reference for new methods.
      Entry: Added get_text_window() and get_icon_window().
      Added EntryBuffer and used it in the Entry API.
      Range, StatusIcon: Added new methods.
      2.19.4