2.46.2:

* ObjectBase, Object, Interface: Correct move constructors and move assignment
 operators.
 (Kjell Ahlstedt) Bug #756962


Changes in 2.46 compared to 2.44:

General:
* Use, and require C++11, using features such as move operations, noexcept
 auto, = delete, nulltpr, override.
 (Murray Cumming, Kjell Ahlstedt))

Glib::
* RefPtr:
 - Make it possible to stop use of RefPtr with certain classes.
 (Kjell Ahlstedt)
 - Make methods noexcept (C++11).
 (Murray Cumming)
 - Add move operations.
 (Murray Cumming, Marcin Kolny, Kjell Ahlstedt)
 * Add release():
 (Marcin Kolny)
* ObjectBase: Don't use std::auto_ptr (deprecated in C++11).
 (Kjell Ahlstedt)
* ObjectBase, Object, Interface, IOChannel, Markup: Add move operations
 (Murray Cumming) Add C++11 move operations.
 (Murray Cumming)
* HelperList: fix iterator check in operator[]
 (Maks Naumov)
* Add SettingsSchema, SettingsSchemaKey and SettingsSchemaSource.
 (Murray Cumming)
* Add Glib::format_size().
 (Kjell Ahlstedt)
* Add get_user_special_dir(UserDirectory), deprecating
 get_user_special_dir(GUserDirectory directory).
 (Kjell Ahlstedt)
* Threads::Thread: Use GThread only via a pointer.
 Kjell Ahlstedt
* VariantBase: Add is_castable_to().
* VariantContainerBase: get_iter(): Accept casts of complicated types
 containing object paths and DBus type signatures to Variant<> types
 containing Glib::ustring and std::string.
 (Kjell Ahlstedt)
* Variant: Wrap handles and add get_data_as_bytes()
 (Kjell Ahlstedt)
* Added SignalProxyDetailed.

Gio:
* Application: Add the shutdown signal.
 (Murray Cumming)
* NetworkMonitor: Add get_network_metered() and property.
 (Murray Cumming)
* Settings: Add signal_changed(key).
 (Kjell Ahlstedt, Murray Cumming)
* Added SimpleIOStream.
 (Kjell Ahlstedt)
* SocketService: Add active property.
 (Murray Cumming)
* TlsClientConnection: Add copy_session_state().
 (Murray Cumming)

Gio::Dbus:
* Connection::signal_subscribe(): Pass nullptr instead of "".
 (Murray Cumming)

gmmproc:
* Generate C++11 move operations.
 (Murray Cumming)
* Mark all _CLASS_OPAQUE_REFCOUNTED classes as final (C++11).
 (Murray Cumming)
* generate_wrap_init.pl: Allow use of nested namespaces for whole module.
 (Marcin Kolny)
* _WRAP_METHOD: deprecated: Use G_GNUC_[BEGIN|END]_IGNORE_DEPRECATIONS
 per function, instead of one big undef [G|GDK|GTK]_DISABLE_DEPRECATED.
 (Kjell Ahlstedt)
* Add _IGNORE_PROPERTY() and _IGNORE_CHILD_PROPERTY() macros.
 (Kjell Ahlstedt)
* Add support for 'newin "n,m"' in some _WRAP macros.
 (Kjell Ahlstedt)
* _WRAP_SIGNAL: Add support for detail_name.
 (Kjell Ahlstedt)
* Fetch property documentation from the docs.xml file, if available there.
 (Kjell Ahlstedt)

Build:
* MSVC Builds: Many improvements
 (Chun-wei Fan)
* Add missing GLIBMM_API for Interface
 (Mikhail Titov)