The "Happy Birthday, Lovecraft!" update

H.P. Lovecraft was born on August 20, 1890. In celebration of his significant influence on the horror genre, we're releasing a big update for Eldritch today!

Changelist: Added Asylum expansion. Added Steam trading cards. Added Steam achievements. Added Steam leaderboards. Fixed Steam screenshots in OpenGL. Fixed Mac savegame crashes. Improved voxel lighting. Improved audio occlusion. Improved display of keys/buttons. Improved display of FOV.