Heads may use ID Modification Consoles to manage their department

Poll: http://www.ss13.eu/phpbb/viewtopic.php?f=42&t=4307

The primary goal is to allow department heads to demote their own staff. The secondary goal is to let them give others access to their department.

![screenshot 2014-04-11 20 51 36](https://cloud.githubusercontent.com/assets/3828067/2686227/fc690502-c1f0-11e3-8740-26640f2f8bd6.png)
-Heads may modify ID access for their department using ID computers
-Heads may demote subordinate jobs
-Heads may not modify a card's name or title, except when Demoting an ID