rails/rails — pull request #8341 by amatsuda (2012-11-27 16:16:57+00:00)
Title: default source in Gemfiles to :rubygems rather than hardcoding the URL

* I guess this would be the preferrable default for Bundler
* current version of Bundler converts :rubygems into 'http://rubygems.org', not https://,
and that will help those who are working on a very poor network environment that doesn't allow SSL