beginning of refactoring to pattersn vs. deployments. Big mess right now.
pushing refactoring forward ... basic VPC and single host deploys seems to work OK.
working 3 tier VPC with 3 tests hosts after refactoring
templating macros on host outputs
continued refactoring and simplification. There's now probably a lot of dead wood floating around the patterns/ dir.
getting generic Host.json macro to work.
Merge pull request #13 from robparrott/pattern-refactoring

Pattern refactoring branch
further work towards refactoring and simplification via macros. single host deployments should work.
add new option to print out the template parameters on the command line.
refactoring main code, and pushing system cfg scripting out of template into separate files.
add keys to the Bastion Host
tweaks to the puppet hand off to fix small ordering issues.
add in more up-to-date docs
fix to include context and handle script mgmt.
add in a basic unmabaged simple website, and a two-tier simple website example.
work on refactoring host and fleets consistently to separate app from cloudformation components.
macro-ize instance params
add in a simpler two-tier pattern with two ELBs and autoscaling groups.
moving various example closer to being built using mscros.
tweaks to YAML and script to get simple web example  running.