* lib/rubygems: Import RubyGems 2.1.0 Release Candidate

* test/rubygems:  ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42693 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rubygems/commands/stale_command.rb

@@ -5,6 +5,16 @@ class Gem::Commands::StaleCommand < Gem::Command
     super('stale', 'List gems along with access times')
   end
 
+  def description # :nodoc:
+    <<-EOF
+The stale command lists the latest access time for all the files in your
+installed gems.
+
+You can use this command to discover gems and gem versions you are no
+longer using.
+    EOF
+  end
+
   def usage # :nodoc:
     "#{program_name}"
   end