lib/unicode_normalize/normalize.rb: Changed module name, adjusted copyright.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48008 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* remove trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48009 b2dd03c8-39d4-4d8f-98ff-823fe69b080e