cleaning up.
* test/rubygems/test_gem_commands_cleanup_command.rb:  Test for above.

* lib/rubygems/commands/query_command.rb:  Fixed listing remote gems.

* lib/rubygems/dependency_installer.rb:  Ignore non-files when looking
  for local gems.
* test/rubygems/test_gem_dependency_installer.rb:  Test for above.

* lib/rubygems/uninstaller.rb:  The user must confirm uninstalling gems
  that have dependencies.
* test/rubygems/test_gem_uninstaller.rb:  Test for above.

* lib/rubygems.rb (module Gem):  Updated version.

* test/rubygems/*.pem:  Updated to run in FIPS mode.
* test/rubygems/test_gem_security.rb:  ditto.
* test/rubygems/test_gem_security_signer.rb:  ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38272 b2dd03c8-39d4-4d8f-98ff-823fe69b080e