heroku/heroku-buildpack-nodejs 3 pull requests

• Hatchet tests Aug 27
• Use latest hatchet instead of git branch Aug 28
• Add hatchet tests to be called from nodebin service Aug 28

rails/rails 2 pull requests

• Harmonize shell commands in dev guide [ci skip] Aug 11
• 20% faster `try` Aug 29

heroku/heroku-buildpack-jvm-common 2 pull requests

• Check for a target dir when detecting lein-heroku apps Aug 17
• Upgrade default JDK 10 to 10.0.2 Aug 21