Ruby

Merge RubyGems master@9be7858f7f17eae3058204f3c03e4b798ba18b9c

This version contains the some style changes by RuboCop.

* https://github.com/rubygems/rubygems/commit/9d810be0ede925fb2e3af535848582c3f8e0e72f
* https://github.com/rubygems/rubygems/commit/61ea98a727fb1b76b6fac52d74107ee4b02aaef2
* https://github.com/rubygems/rubygems/commit/795893dce3c5f8540804fc08144cc6a90f086b13
* https://github.com/rubygems/rubygems/commit/9be7858f7f17eae3058204f3c03e4b798ba18b9c

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67074 b2dd03c8-39d4-4d8f-98ff-823fe69b080e