Removed unused files
API: Changed etcd path of api.service
NGINX: Added confd templates and configuration
Added api@*.service to gitignore
API: Changed uwsgi to use uwsgi protocol instead http
NGINX: Removed Dockerfile volumes and add confd directory to /etc
NGINX: Added confd to startup script and etcd ip address
NGINX: Added coreos ip address as container variable
NGINX: Chnaged confd configuration directory path
NGINX: Changed api configuration to site-available