Merge branch 'udmf-plane-linedefs' into udmf-scrollers

extras/conf/SRB2-22.cfg

extras/conf/udb/Includes/SRB222_common.cfg

extras/conf/udb/Includes/SRB222_linedefs.cfg

extras/conf/udb/Includes/SRB222_misc.cfg

src/b_bot.c

src/d_netcmd.c

src/deh_lua.c

src/deh_tables.c

src/doomdata.h

src/g_game.c

src/g_input.c

src/hardware/hw_draw.c

src/hardware/hw_main.c

src/hu_stuff.c

src/info.c

src/lua_hooklib.c

src/lua_maplib.c

src/lua_mathlib.c

src/m_menu.c

src/p_floor.c