LIVEOAK-523 Unable to subscribe to collection change events
 - Add a test to validate that notifying Create/Delete events on a collection doesn't cause duplicates
Console: fix jshint warning
LIVEOAK-497 treat empty string as null
LIVEOAK-524 fixed unnecessary error logging
Console: Fix JSON error on collection page
LIVEOAK-524: fixed clients edit error
Merge pull request #317 from vrockai/LIVEOAK-497

Several console fixes