Add cbsasl to the 2.2 manifest

Change-Id: I3bfb3b8e8b5922ef10175b7ba4a989a1e3522e5e
Reviewed-on: http://review.couchbase.org/28092
Reviewed-by: Michael Wiederhold <mike@couchbase.com>
Tested-by: Michael Wiederhold <mike@couchbase.com>