Update CLDR to 23 and rewrite parser

http://cldr.unicode.org/index/downloads/cldr-23
http://unicode.org/cldr/trac/browser/tags/release-23/
http://www.unicode.org/repos/cldr/tags/release-23/
http://unicode.org/Public/cldr/23/

Change-Id: Ia009960b55851778c8fa783a8a5b5fcbad35abef