2017-08-25  Murray Cumming  <murrayc@murrayc.com>

	2.25.4

2017-08-25  Murray Cumming  <murrayc@murrayc.com>

	Use glibmm-2.56 instead of glibmm-2.54.

	We have changed the ABI name in glibmm.

2017-06-26  Kjell Ahlstedt  <kjellahlstedt@gmail.com>

	Text: Plug memory leaks in get_text_vfunc() and get_selection_vfunc()

	These vfuncs shall delete the returned character array after it has been
	copied to a Glib::ustring. Bug 783360