highfidelity/hifi — pull request #3798 by ZappoMan (2014-11-14 19:38:36+00:00)
Title: Persist thread improvements/Backup support

* adds backups of persist files
* adds persist settings do domain settings page
* does a final persist when assignment client is about to finish.
* fixes a potential crash on pruneTree in persist operation which wasn't properly locking the tree for write