Add FileUtils#cp_lr
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62739 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Add FileUtils#cp_lr
of each file from directory to another directory recursively.
This patch is based on Thomas Sawyers and Zachary Scott.
[Feature #4189] [ruby-core:33820]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62739 b2dd03c8-39d4-4d8f-98ff-823fe69b080e