* ec2_instance/ec2_instance_info : Fixup sanity test errors
* Move ec2_instance integration tests to use aws_defaults
* Search for the AMI instead of hardcoding an AMI
* Make our VPC CIDR variable
* Remove AZ assumptions - no guarantees about specific AZs being available
* Make sure we terminate instances when we're done with them.
* Add a 10 second pause for IAM roles to become available before using them
* Wait on instance changes by default
* Switch out t2 instances for t3 they're cheaper and have more CPU available
* Pull t3.nano instance info a little earlier
* rework vpc_name and vpc_cidr a little
* Mark ec2_instance tests unsupported for now, they take too long
* Update testing policies to ensure all required permissions are present
* Tidy up security policies to reduce duplicate permissions
* Make roles static so that they can be present before CI is run,
meaning that role creation permission is not required by the CI
itself, only by someone setting up the roles prior to testing
* Move contents to cloudfront policy to network policy to ensure policy
count (maximum of 10) stays low
* Maintain compute policy below 6144 bytes
