Bug 560968: [RJ-Servi] Improve generation of node ids and start of
multiple nodes in parallel

  - Add random id for factory
  - Use nanoSeconds and counter for node id
  - Use NIO to create working directory for better error reporting
  - Reduce synchronized code

Change-Id: I649fc1b027987b2cd307179941e639ceebff7d52
2 files changed