refactoring and bugfix

api/InfrastructureTemplateController.py

controller/Orchestrator.py

icgparser/DomlParserUtilities.py

icgparser/doml/doml_old.ecore

icgparser/doml/v1/doml.ecore

icgparser/doml/v1/nginx-aws_v1.domlx

icgparser/doml/v1/nginx-openstack_v1.domlx

input_file_generated/ir.json

main.py

output_files_generated/nginx_openstack/terraform/main.tf

templates/terraform/open_stack/port_rule.tpl