Squashed 'site-cookbooks/ruby_build/' content from commit 4d33619

git-subtree-dir: site-cookbooks/ruby_build
git-subtree-split: 4d3361995a6953076951693eff1b326ab499fe1e
Merge commit '6f41255984b2588a90335d6d0961e35ed6fb0b42' as 'site-cookbooks/ruby_build'
Create AMI with packer