Add retry on ssh failure

remove ec2_ami_2_0_0_1 module so we begin using the one built in

Correct Package for libssl-dev

Update to ansible 2.x

These are the same versions as what the rest of configuration is currently set to.

Run pre-supervisor as www-data since supervisor doesn't really need access to the env and auth json.

Previous versions of ansible did not have the errorcatching capabilities to catch this.

So we can now log its output.