Use a simpler syntax to refer to Padrino edge on Github in the Gemfile
`gem 'padrino', github: 'padrino/padrino-framework'`. It reads so much
better :)
Support 1.8.7 :)
Merge pull request #1094 from padrino/gemfile-tweak

Use a simpler syntax to refer to Padrino edge on Github in the Gemfile