[zanata/zanata-server] 997e71: update docker/README.md and docker build file

[GitHub]

  Branch: refs/heads/docker-script
  Home:   https://github.com/zanata/zanata-server
  Commit: 997e71181eb4d4299d10b58859387ad7da51da34
      https://github.com/zanata/zanata-server/commit/997e71181eb4d4299d10b58859387ad7da51da34
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2016-10-05 (Wed, 05 Oct 2016)

  Changed paths:
    M docker/Dockerfile
    M docker/README.md

  Log Message:
  -----------
  update docker/README.md and docker build file