Updated markup for event data table.

## from
![bildschirmfoto 2014-03-24 um 16 31 27](https://f.cloud.github.com/assets/157533/2501176/850f5b7c-b369-11e3-9f63-a82f8e3ab9ff.png)
--
![bildschirmfoto 2014-03-24 um 16 31 40](https://f.cloud.github.com/assets/157533/2501178/850f9cb8-b369-11e3-9194-5152e4e3bfda.png)

## to
![bildschirmfoto 2014-03-24 um 16 30 20](https://f.cloud.github.com/assets/157533/2501177/850f850c-b369-11e3-8edd-fdd52e299e38.png)
--
![bildschirmfoto 2014-03-24 um 16 30 31](https://f.cloud.github.com/assets/157533/2501175/850f231e-b369-11e3-8388-4c04bb2035f0.png)