Release 0.47.1

	Sync NEWS from 0.46

2019-11-09  Rico Tzschichholz  <ricotz@ubuntu.com>

	codegen: Commonize the determining of return-type for delegates and methods

	codegen: Use SemanticAnalyzer.get_data_type_for_symbol()

	vala: Make Callable derive from Symbol
	This is a better choice as common base-class.

	vala: Set GLib.Error as symbol of error-types if no error-domain was given

	glib-2.0: Add "has_typedef = false" to custom MarkupParser*Func delegates

2019-11-08  Rico Tzschichholz  <ricotz@ubuntu.com>

	vala: Improve check of delegate assignments and initializers
	Fixes https://gitlab.gnome.org/GNOME/vala/issues/875

2019-11-06  Rico Tzschichholz  <ricotz@ubuntu.com>