3.30.1
======
* Improve trackball detection [Tony; #258]
* Fix clipping of scaled surfaces [Jonas; #300]
* Improve tracking of monitor switch configuration [Daniel; !213]
* Fix parent-relative positioning of constrained windows [Jonas; #332]
* Add clutter_input_method_forward_key() method [Carlos; gnome-shell#531]
* Various crash fixes [Olivier, Jonas; #194, #336]
* Misc. bug fixes [Carlos, Florian, Olivier, Jonas; gnome-shell#540, #294,
  #221, !229, #30, #331]

Contributors:
  Jonas Ådahl, Daniel Drake, Olivier Fourdan, Carlos Garnacho, Peter Hutterer,
  Ting-Wei Lan, Florian Müllner, Tony Novak, Pekka Paalanen, Sam Spilsbury

Translators:
  Yuras Shumovich [be], Марко Костић [sr], Marek Cernocky [cs]