Fixes bug 1013979 - Added a page to list a user's crash reports.

@peterbe r?

@Kairo-at, here are some previews of it.

Logged in:
![](http://adrian.gaudebert.fr/downloads/mozilla/my_crashes_logged_in.png)

Logged out:
![](http://adrian.gaudebert.fr/downloads/mozilla/my_crashes_logged_out.png)