Rewrite testsuite.

	Rewrite testsuite.
	* configure.in, Makefile.in: Remove.
	* binutils-all/configure.in, binutils-all/Makefile.in: Remove.
	* binutils-all/bintest.c: Remove.
	* binutils-all/bintest.s: New file.
	* binutils-all/nm.exp, binutils-all/objdump.exp: Rewrite.
	* binutils-all/size.exp: Rewrite.
	* config/default.exp: Load utils-lib.exp.  Set AS and ASFLAGS.
	Don't go up one directory from $base_dir.  Create tmpdir.
	(binutils_run, binutils-assemble): New procedures.
	* config/unix.exp: Remove.
	* config/mt-a29k-udi, config/mt-i386-aout: Remove.
	* config/mt-i960-nindy, config/mt-lynx, config/mt-m68k: Remove.
	* config/mt-mips-ecoff, config/mt-slite: Remove.
	* config/mt-sparc-aout, config/mt-vxworks: Remove.
	* lib/utils-lib.exp (binutil_version): Don't redirect standard
	input when getting version.  Don't unset errorInfo.
	(default_binutils_run): New procedure.
	(default_binutils_assemble): New procedure.