0.2.0 Convert to TF 0.12. Add tests. Add Codefresh test pipeline

what

• Port module to Terraform 0.12
• Pin all providers
• Add example for testing
• Add bats and terratest for the example
• Add Codefresh badge to point to the test pipeline in terraform-modules project
• Update README

why

• Module currently does not work with 0.12. Much easier syntax
• Better regression control
• Automatically test the example on every commit and pull request
• Provision resources on AWS in the test account and check the outputs for the correct values
• terraform-modules project contains pipelines for all terraform modules

0.1.1 Update README

what

• Update README

why

• Address code review comments

0.1.0 Initial implementation

what

• Initial implementation of terraform-aws-vpn-connection module

why

• Terraform module to provision a site-to-site VPN connection
  between a VPC and an on-premises network