[zanata/zanata-platform] cc5657: Rework configure-app-server.js

[GitHub]

  Branch: refs/heads/ZNTA-2441
  Home:   https://github.com/zanata/zanata-platform
  Commit: cc5657ca6cd7f4b372b5cb674a3277b200dcacff
      https://github.com/zanata/zanata-platform/commit/cc5657ca6cd7f4b372b5cb674a3277b200dcacff
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2018-03-27 (Tue, 27 Mar 2018)

  Changed paths:
    M server/docker/Dockerfile
    M server/etc/scripts/configure-app-server.js

  Log Message:
  -----------
  Rework configure-app-server.js

Convert to plain JavaScript instead of Nashorn -scripting
Add authentication options
Require at least one authentication method
Move some top-level code to functions
Simplify most of the functions
Move some system properties to options object