build: Update NEWS file for the 1.4.2 release
build: Update NEWS file for the 1.4.2 release

lubosz/clutter-gst,GNOME/clutter-gst,GNOME/clutter-gst,lubosz/clutter-gst,ystreet/clutter-gst,ystreet/clutter-gst,ystreet/clutter-gst,GNOME/clutter-gst,GNOME/clutter-gst,lubosz/clutter-gst,ystreet/clutter-gst