Added optional urlfield in user profiles

There are problems with the indentation of this method. Please make sure you are using only spaces, and never tabs, in your code. With this block I suggest removing all of the indentation and redoing it, making sure that your editor us set to use spaces whenever you hit the tab key.

Here is what the code looks like when I open it in my editor:
![screenshot 2014-10-24 11 11 58](https://cloud.githubusercontent.com/assets/142755/4771597/304e8b24-5b90-11e4-8208-00833b781681.png)