Changes to be committed:
	new file:   common/ubuntu_setup_env.docker
	modified:   jetty/Dockerfile
	new file:   nodejs/000.setup_nodejs/Dockerfile
	renamed:    nodejs/Dockerfile -> nodejs/100.sampleapp/Dockerfile
	renamed:    nodejs/index.js -> nodejs/100.sampleapp/src/index.js
	renamed:    nodejs/package.json -> nodejs/100.sampleapp/src/package.json
	modified:   sshd/Dockerfile