Add parameter "heat_apis"

Enable a global parameter that allows users to define which Heat APIs
they want to support ('heat', 'cfn', and/or 'cloudwatch').
Add Heat database configuration
Add Heat APIs

Add support for native Heat, CloudFormation, and CloudWatch APIs.
Add Heat engine
Add orchestration node
Add Ceilometer database configuration
Add Ceilometer database to infrastructure node
Add Ceilometer config wrapper

Add a configuration wrapper that uses Kickstack variables to set up
Ceilometer.
Add Ceilometer API
Add Ceilometer to API node
Add Ceilometer auth wrapper
Add wrapper for Ceilometer central agent and collector
Add wrapper for Ceilometer compute agent
Add metering node
Add Ceilometer compute agent to compute node
Add Ceilometer client