* Makefile.am:
	* configure.in:
	Add GLib checks and fixup .pc files

	* glib/Makefile.am:
	* glib/dbus-glib.h:
	* glib/dbus-gmain.c: (gdbus_connection_prepare),
	(gdbus_connection_check), (gdbus_connection_dispatch),
	(gdbus_add_connection_watch), (gdbus_remove_connection_watch),
	(dbus_connection_gsource_new):
	* glib/dbus-gthread.c: (dbus_gmutex_new), (dbus_gmutex_free),
	(dbus_gmutex_lock), (dbus_gmutex_unlock), (dbus_gthread_init):
	* glib/test-dbus-glib.c: (message_handler), (main):
	Add GLib support.