Added select field for language in the user form.

Look like this:

![image](https://f.cloud.github.com/assets/1102381/2391648/68bb381c-a96c-11e3-8a19-22c7a7a506f6.png)

I'm not sure if it is the right approach - Waiting feedback!

- Populates the select field with data from the server and sets the visible option as the default language in the server.

This should address #1590