Merge branch 'master' into lua-more-stuff

CMakeLists.txt

appveyor.yml

src/CMakeLists.txt

src/d_clisrv.c

src/d_clisrv.h

src/d_net.c

src/d_net.h

src/d_netcmd.c

src/d_netfil.c

src/d_netfil.h

src/dehacked.c

src/doomdef.h

src/f_finale.c

src/hardware/hw_light.c

src/hu_stuff.c

src/i_net.h

src/i_tcp.c

src/info.c

src/info.h

src/p_enemy.c