Add a cookbook version uniqueness error message
Missing i18n keys raise errors outside of prod
Add worker scaffolding when a new repository is added
Implement the RepositorySubscriptionWorker

This worker takes a repository and uses Octokit to iterate through its
open Pull Requests. For each open PR, the worker adds a job to the
ImportPullRequestCommitAuthorsWorker's queue, which will ultimately
verify each PR.
Paginate repository pull requests
Add spec for existing repository behavior
Add uniqueness constraints to Curry data
Adjust spec format
Add a feature spec for repository evaluation
Implement the evaluation action
Remove redundant submit_form
Remove robots meta tag
Add language explaining Curry repo evaluation.
Merge pull request #541 from opscode/curry-checks-existing-prs

Curry can check all open PRs on a repo
Add missing ` in docs/CONFIGURING.md.
GitHub not github in CONTRIBUTING.md.
Use Supermarket for CONTRIBUTING.md CLA-ness.
Adjust CSS CONTRIBUTING.md formating and structure
Merge pull request #560 from opscode/docs_updates

Docs updates
UnknownFormat errors return 404s instead of 500s.