BastionHost IP is hardcoded

[wiquan]

What steps did you take and what happened:
[A clear and concise description of what the bug is.]

Tried to create a cluster on a new 10.127.0.0 VPC.
I found the bastion host IP is hardcoded here:
https://github.com/heptio/aws-quickstart/blob/master/templates/kubernetes-cluster-with-new-vpc.template#L663

What did you expect to happen:
Expected the bastion host to have an IP allocated from my public subnet, not a hardcoded one shown above.

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

• Kubernetes version: (use kubectl version):
• OS (e.g. from /etc/os-release):

[wiquan]

After-the-fact I found this documented in the PDF. Nonwithstanding, this should be part of the template IMHO.