50.alpha

• classic: Drop xorg sessions [Jordan; !283]
  
• classic: Deifne a gnome-session session [Adrian; !3960]
  
• Misc. bug fixes and cleanups [Florian, Jordan; !425, !429, !430, !432, !431,
  !433, !434, !435, !439]
  

Contributors:
Florian Müllner, Jordan Petridis, Adrian Vovk

Translators:
BoF ButterflyOfFire [kab], Giannis Antypas [el],
Asier Saratsua Garmendia [eu], Hugo Carvalho [pt], twlvnn kraftwerk [bg],
Baurzhan Muftakhidinov [kk], Ibai Oihanguren Sala [eu]