hoxworth/json-schema — pull request #111 by jamiecobbett (2014-07-25 19:57:47+00:00)
Title: Remove deprecated :rubygems source from Gemfile

This is triggering a security-related deprecation warning:
```
The source :rubygems is deprecated because HTTP requests are insecure.
Please change your source to 'https://rubygems.org' if possible, or 'http://rubygems.org' if not.
```