Jenkins demo sample inputs

jenkins_demo.inputs.yaml

remote: false
hub:
  host: localhost
  username: root
  password: screencast
  port: "49513"
  image_name: selenium/hub
nodes_list:
  - host: localhost
    port: "49153"
    username: root
    password: screencast
    image_name: selenium/node-chrome
    container_name: selenium-node-chrome-1
  - host: localhost
    port: "49153"
    username: root
    password: screencast
    image_name: selenium/node-firefox
    container_name: selenium-node-firefox-1