Abstract: system builtin defines - some shortcuts

Descrition:
	The builtin defines are setup in /include/auto.h . This header
	file is included automatically by every object.

	The name of the MUD is #define'd.

	Other #define's are NEMESIS, DATE, WEATHER_OBJ, ME, ENV, ACTOR.
	Their meaning is described in the respective manual files.

See also: lib/, lib/ACTOR, lib/DATE, lib/ENV, lib/ME, lib/MUD, lib/WEATHER_OBJ, lib/NEMESIS