Merge branch 'next' of https://git.magicalgirl.moe/STJr/SRB2 into pictureformats

CMakeLists.txt

appveyor.yml

assets/CMakeLists.txt

cmake/launch-c.in

cmake/launch-cxx.in

src/CMakeLists.txt

src/Makefile

src/Makefile.cfg

src/byteptr.h

src/command.c

src/command.h

src/config.h.in

src/d_clisrv.c

src/d_main.c

src/d_netcmd.c

src/dehacked.c

src/doomdef.h

src/doomtype.h

src/f_finale.c

src/g_demo.c