Merge pull request #282 from beansmyname/master

Insanely Twisted Shadow Planet works!
Double Action: Boogaloo (317360) works
Merge pull request #283 from dscharrer/master

Double Action: Boogaloo (317360) works
Dead Island Works

Tested on Ubuntu 14.04 64-bit.
Merge pull request #284 from suitablehost/master

Dead Island Works
Dungeon Defenders Eternity works

Tested on Ubuntu 14.10, nvidia binary driver
Screenshot: http://prntscr.com/4zprd9
Merge pull request #285 from voron00/master

Dungeon Defenders Eternity works
Pajama Sam: Games to Play on Any Day (317020), Fatty Bear's Birthday Surprise (317030), Dungeon Lurk II - Leona (322580) work
Screencheat (301970) has been released
Snow Light (329480) works