Put xls buttons together on registrations tab

I think it would be nicer to have the refresh button before the text. When you look at it now, you get the impression that buttons are randomly placed on the page.

![schermopname 48](https://f.cloud.github.com/assets/3730236/2063876/11fc0412-8cbf-11e3-91d9-11c92f671bc8.png)