NixOS/nixpkgs 3 merged

• terragrunt: 0.14.6 -> 0.16.5 Aug 14
• terragrunt: 0.16.5 -> 0.16.6 Aug 15
• terraform_0_11: 0.11.7 -> 0.11.8 Aug 16

sous-chefs/openvpn 1 open

• Linting & Syntax fixes Aug 6

danger/danger 1 merged

• Move rubocop to Rake task and autocorrect errors #trivial Aug 7