tree ceb29bb1d70139d2666cb3819516c4118df35d47
parent e554dd37bf8b1e3f769c484f0d760224de4af694
author Sergiy Matusevych <motus@apache.org> 1479170124 -0800
committer Markus Weimer <weimer@apache.org> 1487179516 -0800

[REEF-1667] Implement REEF-on-REEF example

Implement a HelloREEF example that starts a driver on YARN, that, in
turn, runs another driver in the same process as an Unmanaged AM.

JIRA:
  [REEF-1667](https://issues.apache.org/jira/browse/REEF-1667)

Pull Request:
  This closes #1254

Additional Pull Requests closed (see their discussion for reasons)
  This closes #1207