update NEWS file to prep for release
update NEWS file to prep for release

jdahlin/pygobject,MathieuDuponchelle/pygobject,MathieuDuponchelle/pygobject,davibe/pygobject,davidmalcolm/pygobject,davidmalcolm/pygobject,thiblahute/pygobject,thiblahute/pygobject,jdahlin/pygobject,davidmalcolm/pygobject,choeger/pygobject-cmake,davibe/pygobject,GNOME/pygobject,jdahlin/pygobject,GNOME/pygobject,davibe/pygobject,sfeltman/pygobject,sfeltman/pygobject,MathieuDuponchelle/pygobject,thiblahute/pygobject,choeger/pygobject-cmake,pexip/pygobject,choeger/pygobject-cmake,pexip/pygobject,pexip/pygobject,sfeltman/pygobject,davibe/pygobject,GNOME/pygobject