Basic Ruby + CI skeleton project

This basic Ruby project demonstrates

• using CloudBees Ruby and PostgreSQL addons
• Bundler configuration and use
• Jenkins configuration
• RSpec spec execution and results (via ci_reporter gem)
• Tumbler configuration and use for gem production
• artifact archiving in Jenkins

Running in CloudBees Jenkins

ENVIRONMENT=cloudbees ./bin/run-ci

Running locally

ENVIRONMENT=local ./bin/run-ci