[BACKLOG-1015] - Making availability optional to prevent circular blocking of mongo plugin startup
Merge pull request #84 from brosander/BACKLOG-1015

[BACKLOG-1015] - Making availability optional to prevent circular blocki...
[BACKLOG-1015] - Changing service tracking to a reference listener
Merge pull request #85 from brosander/BACKLOG-1015

[BACKLOG-1015] - Changing service tracking to a reference listener
[BACKLOG-1015] Fixed a bug in the routine that updates min and max array indexes for a path. Adding unit test.