* lib/rubygems:  Update to RubyGems 2.4.5.
* test/rubygems:  ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48729 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-12-07

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48730 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* remove trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e