Do not install ruby-debug on travis-ci.org, it only wastes time
Do not install ruby-debug on travis-ci.org, it only wastes time

Please read [Exclude non-essential gems like ruby-debug](http://about.travis-ci.org/docs/user/languages/ruby/) section in the documentation to learn how wasteful ruby-debug installation is.
honorlin/social_stream,honorlin/social_stream,ging/social_stream,ging/social_stream,honorlin/social_stream,honorlin/social_stream,ging/social_stream