There are now disk boxes in medical, security, mining, and engineering containing 7 nifsoft disks with software packs, each having 2 common useful NIFsofts for that department.
* Medical - AR (Medical), Crew Monitor
* Security - AR (Security), Responsive Filter
* Engineering - AR (Engineering), Nictating Membrane
* Mining - Respirocytes, Material Scanners
* Remove remaining hard del()'s in our code.
* Replace deleted() and gcDestroyed with QDELETED macro.
* Fix some strange calls directly to Del() (capital D)
* Make Destroy() return qdel hints.
* Make a few of the Destroy()'s more comprehensive in cleaning up references.
* In edited Destroy() procs, converted to use qdel_null and qdel_null_list macros when possible for pretty code.
* Removed unused variable `sleevecard`
