Revert "406 update participants"

Reverts DemocracyOS/app#499

#499 introduces error in `switchOff` function when switchig `law`s:

![screen shot 2014-12-12 at 11 11 45 am](https://cloud.githubusercontent.com/assets/2538465/5412878/f96955e0-81ef-11e4-852b-d42415c2545c.png)