ship prices without cents

Fixes #133

Are people OK with this? Does this look good, native speakers @johnbartholomew, @robn? To me it actually, at leas initially, looks a little bit strange since I'm used to "," being decimal delimiter.

I'm assuming `def.basePrice` will always be integer. 

![2014-03-18-080604_956x513_scrot](https://f.cloud.github.com/assets/619390/2445325/6ae47b7c-ae70-11e3-8b1a-0b7a5a80bf42.png)