Get value for each property in i18n helper

Fixes [meta/7390](http://meta.discourse.org/t/topic-count-instead-of-actual-count/7390)

Thanks for the sweet bug report nickj!

We're not iterating through each property correctly in the i18n helper...which means we get stuff like this:

![6496b3226de5168d](https://f.cloud.github.com/assets/65323/640335/1f8dae9c-d2f1-11e2-805a-05e694b606c1.png)