Cut down on warning logs

- don't log on ignore_not_found()
- drop some logs from warn to info
- remove the "no resources in template" log
- remove the "Duplicating event" log

Change-Id: Ie4d68b43607336c8c054a32126d6a05ba4e5e15c
Closes-bug: #1346755
Merge "Cut down on warning logs"