fix for #227

@settinghead please review
Sorry, come to think about it more, this is probably best handled by an angular filter:

- https://github.com/Rise-Vision/common-header/blob/b757397260716f2b2cf4bddcf6a73c46b3082e65/src/js/controllers/ctr-shoppingcart.js#L3
- https://github.com/Rise-Vision/common-header/blob/b845ab59b889e66e80e4bc47ee11c1c35666eae4/src/js/controllers/ctr-company-users-modal.js#L3