* mpw-README: Filled in more details about how to install,

	* mpw-README: Filled in more details about how to install,
	use, and rebuild.
	* mpw-configure: Added copyright.
	(target_cpu, target_vendor, target_os): Move after reading
	of mpw-config.in, paste into generated Makefiles.
	(TDEFINES): Remove.
	* mpw-config.in: Check for presence of required build tools.
	(target_libs): Add newlib.
	(target_tools): Add examples.
	(Read Me): Generate as "Read Me for MPW" instead.
	* mpw-build.in: Base sub-builds on all-foo instead of do-foo.
	(all-byacc, do-byacc, all-flex, do-flex, do-newlib): New actions.
	(do-gas, do-gcc, do-gdb, do-ld): Build Version.r first.