Update documentation of suggest_gems_from_name
Remove underscores and hyphens when finding suggestions
If rdoc or ri were installed, provide guidance on how to use them, and how to not install them in the future.
Add MacRuby to the list of special cases for platforms
Add some tests to make sure MacRuby and Gem::Platform get along
In the eyes of RubyGems, equate YAML::Yecht with Syck, so that DefaultKey in Dependency resolves to "=". This fixes the issue described in http://stackoverflow.com/questions/8674480/rails-3-2-on-jruby-gemspec-errors
Add usage for Gem::Commands::OwnerCommand to make it consistent with other commands that require a GEM argument
Add support for GEMRC environment variable
Replace a blockless map with to_a.
Read data using binary helpers
Merge pull request #248 from ffmike/master

+ Added a usage method for Gem::Commands::OwnerCommand. (ffmike)
Merge pull request #254 from knu/map2to_a

Replace a blockless map with to_a.
Merge pull request #247 from jruby/master

+ JRuby's 'Syck' is 'Yecht'. (BanzaiMan)
Fix missing load_yaml in YAML-related requirement.rb code.
- Ignore bad/incorrect data in a yamlized Version
Merge History.txt from 1.8
Merge remote-tracking branch 'upstream/master'
Add tests for GEMRC environment variable
+ Refactored Gem::Format into Gem::Package.  Gem::OldFormat has moved to Gem::Package::Old with an identical API to Gem::Package.
Sort Gem::Validator::ErrorData objects to avoid hash reordering across ruby implementations