NEWS: Prepare for 3.34.2

NEWS

+==============
+Version 3.34.2
+==============
+
+	autostart-app: Strip blacklisted variables from autostart environment
+	data: Ensure shutdown target does not keep units loaded
+	data: Make X11 services part of gnome-session-initialized
+	data: Remove gnome-session-stable.timer and related units
+	data: Remove never used gnome-session-shutdown.service
+	doap: Add a description
+	manager: Disable session saving on systemd managed sessions
+	session-fill: Disable session restoring on systemd
+	Translation updates: Chinese (Taiwan), Russian
+
 ==============
 Version 3.34.1
 ==============