[gtkmm] Created tag 3.24.1

[Kjell Ahlstedt <kjellahl src gnome org>]

The unsigned tag '3.24.1' was created.

Tagger: Kjell Ahlstedt <kjellahlstedt gmail com>
Date: 1553098525 +0100

    3.24.1

Changes since the last tag '3.24.0':

Daniel Boles (9):
      Builder: Fix wrong use of @retval for output args:
      Builder: Use refBuilder-> not refXml-> in examples
      Merge branch 'wip/dboles/builder-retval-3' into 'gtkmm-3-24'
      Gdk::RGBA: Add fairly simple test of our additions
      FileFilter: Format docs copied in from GTK better
      FileFilter: Fix no documentation of custom rules
      FileFilter: Don’t mention unwrapped func .filter()
      FileFilter: Remove commented-out _WRAP_METHOD call
      Merge branch 'wip/dboles/filefilter-docs' into 'gtkmm-3-24'

Kjell Ahlstedt (7):
      Docs: Allow @newin with micro version, @newin{1,2,3}
      Gtk::LevelBar: Don't let the copyright text be a Doxygen comment
      RGBA.set_hsv(): Properly interpret hue 360° as red
      tools/gen_scripts: Update for non-source-dir builds
      Gtk::FileFilter: Don't use /* in a comment starting with /*
      configure.ac: Copy COPYING from the source directory
      3.24.1