updated the url

the template raises a `Could not parse the remainder: ',' from 'uid,'` with the uid. 

Updating it to, fixed it.

      {{ protocol }}://{{ domain }}{% url 'auth_password_reset_confirm' uid token %}

![password_reset](https://f.cloud.github.com/assets/1097043/793990/19f3dc70-ec5c-11e2-9909-098b4fd51033.png)