Don't enable Hirb by default make it opt-in
Added pry stack explorer
Added faraday http cache for Octokit caching
Allow for Octokit debugging, logging, and caching
Cleaning up the integration with the new Coderwall::GitHub code. Configured Octokit to make requests cleaner. Need to deep-traverse the Octokit responses because they use SAwyer all the way down >:|