2017-03-13  Kjell Ahlstedt  <kjell.ahlstedt@bredband.net>

	Gio::Application::get_default(): Add refreturn

	Bug 779936

2017-03-13  Kjell Ahlstedt  <kjell.ahlstedt@bredband.net>

	Remove Glib::unconst()

	It's not used by glibmm or gtkmm. It's unnecessary.
	Use const_cast<>() directly instead.

2017-03-06  Kjell Ahlstedt  <kjell.ahlstedt@bredband.net>

	tests/glibmm_variant: Add test of Variant<std::tuple>

	Bug 777791

2017-03-06  Alexander Rössler  <alexander.roessler@zuehlke.com>

	Glib::Variant: Add template specialization for std::tuple

	Bug 777791

2017-02-26  Kjell Ahlstedt  <kjell.ahlstedt@bredband.net>

	Add Gio::PropertyAction

	* gio/giomm.h: Add propertyaction.h
	* gio/src/filelist.am: Add propertyaction.hg
	* gio/src/propertyaction.[ccg|hg]: New files.
	Required in the "Building Applications" chapter in the gtkmm tutorial.