add template for ssh_key ansible generation, bugfix template replacement

controller/Orchestrator.py

icgparser/IntermediateRepresentationUtility.py

icgparser/PiacereInternalToolsIntegrator.py

icgparser/doml/v1/nginx-openstack_v1.domlx

input_file_generated/ir.json

output_file_example/nginx_openstack/terraform/main.tf

output_files_generated/nginx_openstack/config.yaml

output_files_generated/nginx_openstack/nginx/inventory.j2

output_files_generated/nginx_openstack/nginx/ssh_key.j2

...generated/nginx_openstack/piacere_monitoring/inventory.j2

...s_generated/nginx_openstack/piacere_monitoring/ssh_key.j2

output_files_generated/nginx_openstack/terraform/config.yaml

output_files_generated/nginx_openstack/terraform/main.tf

plugin/AnsiblePlugin.py

template-location.properties

templates/ansible/ubuntu/inventory.tpl

templates/ansible/ubuntu/ssh_key.tpl

templates/terraform/open_stack/config.tpl

templates/terraform/open_stack/init.tpl

templates/terraform/open_stack/network.tpl