added describe command to print detailed information about an environment
added describe command to print detailed information about an environment

jlongstaf/aws-deployments,F5Networks/aws-deployments,cmutzel/aws-deployments,jlongstaf/aws-deployments,jlongstaf/aws-deployments,cmutzel/aws-deployments,F5Networks/aws-deployments,F5Networks/aws-deployments,cmutzel/aws-deployments