1. Enable nullifying the tokenizer.
Testing updates.
Clients generation
remove references to url managers
Some more code review updates.
Merge branch 'IX-9.17.0' into IX-9.17.0-url-managers

Conflicts:
	alpha/lib/model/DeliveryProfileLiveHds.php
Merge pull request #1263 from kaltura/IX-9.17.0-url-managers

Ix 9.17.0 url managers