OPS-1593 As an operator, I want sudo_user converted to become user in roles and plays, for compatibility with Ansible 2.x

OPS-1593 As an operator, I want sudo_user converted to become user in roles and plays, for compatibility with Ansible 2.x

sending logs to s3 won't be enabled until we update
the var file for the vpc

abbey.py will launch an instance into a VPC, run ansible on it
and monitor it for updates using an SQS queue.  At the end of
the ansible run it will create an AMI and terminate the instance.

Also renaming the deploy_* plays to the play name