Exception metaInfos show up in text

They should not, because we don't want to aggregated by them?

![screen shot 2014-04-29 at 15 09 25](https://cloud.githubusercontent.com/assets/360800/2829194/d0be8cf8-cf9f-11e3-9b35-3ebc1c6e15c0.png)


// cc @alexispeter