Create initial implementation of directory sync tool

Create an initial implementation of this tool.

changed milestone to %Sprint 69

mentioned in commit e014d2af

mentioned in merge request !1 (merged)

added 3d of time spent at 2019-04-30

added urgent workflowReview Required labels

assigned to @rjw57

mentioned in commit a0b901a4

closed via merge request !1 (merged)

mentioned in commit 6d1c7a81

closed via commit a0b901a4