add buildenv to interactively build program

- added s3cmd to upload archives
- to upload archives, you need to have the following env variables setup in
  the host
  - AWS_ACCESS_KEY
  - AWS_SECRET_KEY
  - AUTOPARTS_HOST
  - AUTOPARTS_BUCKET
setup env before running the shell
load required env for package
add ruby_install package
add chruby
add ruby21
add ruby19
add ruby20
fix whitespace :sad:
+copyright