Remove shortnumberutil -> all C++ clients should now be using shortnumberinfo instead.

git-svn-id: http://libphonenumber.googlecode.com/svn/trunk@713 ee073f10-1060-11df-b6a4-87a95322a99c
CPP/JAVA: Introducing new public APIs in ShortNumberInfo/short_number_info. Deprecating old methods. Also includes a refactoring change introducing a matcher API.

git-svn-id: http://libphonenumber.googlecode.com/svn/trunk@714 ee073f10-1060-11df-b6a4-87a95322a99c