Fix that setting a https:// site but not setting ssl_options would result in a non-SSL http instance. Clean up syntax and clarify tests.
Use :github and :branch options in Gemfile instead of local path logic

This allows us to use bundle config with local repos.
Remove test for XML YAML parsing

The support for YAML parsing in XML has been removed from Active Support
since it introduced an security risk. See http://goo.gl/Dak4R for more
detail.
Fix deprecation message from Mocha