Wizz event signup

![image](https://cloud.githubusercontent.com/assets/8709555/4511948/a54236d0-4b3a-11e4-8617-a0778675234d.png)


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Nop, 5

But I figured we were gonna use some kind of "internationalization" renderer at the output, because in french we are supposed to use commas. Also in english the $ comes before the amount. But I could put it back as a string for the purpose of the prototype