[zanata/zanata-server] 6297b1: update rundev.sh script to support port offset

[GitHub]

  Branch: refs/heads/docker-script
  Home:   https://github.com/zanata/zanata-server
  Commit: 6297b179cef786711e6ba77183f5dc6293a7ac77
      https://github.com/zanata/zanata-server/commit/6297b179cef786711e6ba77183f5dc6293a7ac77
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2016-10-05 (Wed, 05 Oct 2016)

  Changed paths:
    M docker/README.md
    M docker/rundev.sh

  Log Message:
  -----------
  update rundev.sh script to support port offset