fix for no matched line items

* reduce the noise to honeybadger on this issue https://trello.com/c/03KXlfyE
* we were handling and returning 0 anyway, this just gets rid of the HB alerts.
* this is for the 2-2 branch...separate one for 2-1 on way
Merge pull request #3 from bonobos/fix/2-2-stable/handle_no_matched_items

fix for no matched line items