Changes applied to the icu-4.6/ (icu/source/) tree as obtained from:
	http://download.icu-project.org/files/icu4c/4.6/icu4c-4_6-src.tgz

Regenerated:
	configure -- should use autoconf 2.67.

Updated:
	config.guess
	config.sub
	install-sh
	mkinstalldirs

Removed empty dirs:
	layout/unicode
	test/perf/results

