hpcc-systems/HPCC-Platform — pull request #1564 by jakesmith (2012-02-15 17:39:37+00:00)
Title: Ensures slaves file exists - backupnode/stop thor

If Thor's ever been started then slaves should exist,
but guard against and regenerate.

In case of stop, only generate if missing, which means that stop will used
any current list, that may have been updated in the interim.

Signed-off-by: Jake Smith