Update desktop integration examples to be more awesome.

Chromium > Iceweasel and cool new gparted example!!

![screenshot from 2014-10-09 15 22 50](https://cloud.githubusercontent.com/assets/1445228/4585197/d6d4f148-5002-11e4-98f7-0bca1b8bc1ec.png)



Just guessing but for gparted to inspect the disk it must be mounted, so if you strace the process you should be getting an eperm on mount.  Adding sys_admin allows the container to mount.