[glibmm] Created tag 2.60.0

[Kjell Ahlstedt <kjellahl src gnome org>]

The unsigned tag '2.60.0' was created.

Tagger: Kjell Ahlstedt <kjellahlstedt gmail com>
Date: 1552988047 +0100

    2.60.0

Changes since the last tag '2.58.1':

Kjell Ahlstedt (18):
      Glib, Gio: Regenerate docs.xml and .defs files
      Gio::Application: Add signal_name_lost()
      Gio::TlsConnection: Deprecate rehandshake API
      Object construction: Add custom class init and instance init functions
      Gio: Remove NO_GTYPE from some _WRAP_ENUMs
      Glib: Add some Glib::Value<> specializations
      Gio::AsyncResult: Explain why wrap() is not used in get_source_object_base()
      Gio::ThemedIcon: Add create(const std::vector<Glib::ustring>& iconnames)
      Glib::Value: Add Value<std::vector<string>> specializations
      Gio::TlsClientConnection: Deprecate property_accepted_cas()
      gmmproc: Add _IS_REFCOUNTED_BOXEDTYPE
      Gio: Use _IS_REFCOUNTED_BOXEDTYPE where appropriate
      Gio::Settings: Add property_settings_schema()
      Glib: Add some API (DateTime::get_timezone() etc.)
      Gio: Add some API (AppInfo::launch_uris_async() etc.)
      Gio::NetworkManager: Add class documentation
      giomm.h: Add missing #include directives
      2.60.0