[glibmm] Created tag 2.60.1

[Kjell Ahlstedt <kjellahl src gnome org>]

The unsigned tag '2.60.1' was created.

Tagger: Kjell Ahlstedt <kjellahlstedt gmail com>
Date: 1569150038 +0200

    2.60.1

Changes since the last tag '2.60.0':

Dainis Jonitis (1):
      Fix callback races in glibmm when source is destructed

Daniel Boles (1):
      Property: Clarify “manipulate” → read and/or write

Kjell Ahlstedt (15):
      Glib::Checksum, DateTime, TimeZone: Add TODO comments
      Glib::Object, Thread: Use G_GNUC_{BEGIN,END}_IGNORE_DEPRECATIONS
      Properties example: Print the property values
      gmmproc: Update enum.pl and h2def.py for new glib deprecation macros
      Glib::Variant<std::tuple<>>::create(): Fix memory leak
      Glib::init(), Gio::init(): Improve the documentation
      Glib::ustring docs: ustring can't always replace std::string
      Gio::DBus::Object: Fix refcounts in some vfuncs
      Gio::DBus::Object::get_interface_vfunc(): Don't add global symbol
      Glib, Gio: Regenerate docs.xml and .defs files
      Gio: Fix ownership of some lists and arrays
      Revert "Glib, Gio: Regenerate docs.xml and .defs files"
      Disable warnings from deprecated GTimeVal and GTime
      Gio::SocketControlMessage: Add deserialize_vfunc_callback()
      2.60.1

Martin Ejdestig (1):
      Use convert_return_gchar_ptr_to_*() in a couple of ustring methods