Merge branch 'next' into falling-rocks-fix

.circleci/config.yml

README.md

appveyor.yml

src/Makefile.cfg

src/d_main.c

src/d_net.c

src/g_game.c

src/hardware/r_opengl/r_opengl.c

src/r_bsp.c

src/r_segs.c

src/r_things.c