Enable Continuous Integration (CI)

[nehemiaharchives]

Following can be running in CI.

• gradle test
• bundle exec rspec && bundle exec kitchen test in bbl_install dir
• create .msi installer via jpackage
• create chocolatey package and upload it in chocolatey.org
• create .deb file via jpackage
• upload .deb file to ppa repository
• create .pkg file via jpackage
• upload mac binary to homebrew (or .pkg file homebrew cask)