add some chef testing and cloudformation gems, update bundle
[cloudformation] first pass at ec2 basics
remove commented S3-related code for now
remove commented chef environment_settings map for now
rename base ami
consolidate chef-solo commands in registry
update bundle to use latest sparkle formation bits
update knife config to configure cloudformation credentials
reorganize custom launch_configuration dynamic to work with newer sparkle formation techniques
fix reference to invalid parameter name
remove unused wait_for hack
remove ntp sync command, existing AMI runs ntpd out of the box
remove environments from chef solo config for now
rename chef registry file to reflect the object it contains
remove first_run.json in favor of existing environment roles
add cfn-init command for installing base packages
update ruby aws-sdk package name
add platform autoscaling group template
bump default chef version to latest
prompt for chef-agent repo branch name