Farmer v0.2

[aramalipoor]

v0.2 Checklist

• Integration tests (test(*): Add tests and add no-interaction option to setup scripts #78)
• Staging (Staging new source code before running "deploy" command #56) feature for a fail-safe deployment on boxes.
  • Fail-safe, each deploy will run in an isolated environment and will be moved to production only if deploy is successful on staging.
  • Keep test and staging container when deploy process fails and display test container public port for further investigation.
• More human readable messages.