Merge branch 'master' into ogl-palette-rendering

.circleci/config.yml

.gitattributes

.gitlab-ci.yml

cpdebug.mk

src/Makefile

src/Makefile.d/detect.mk

src/Makefile.d/features.mk

src/d_clisrv.c

src/dummy/i_system.c

src/hardware/hw_batching.c

src/hardware/hw_main.c

src/hardware/hw_md2.c

src/hardware/hw_model.c

src/lua_baselib.c

src/p_map.c

src/sdl/i_system.c