* 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`
- Brainmob can understand galcom so they can understand radio announcements if they're allowed to hear things.
- Adds admin verb in Fun tab for "Quick NIF" to quickly implant someone with a NIF, if for example they lost theirs via bug, or for antags in events.
- Some tweaks in Persist VR to not 'hard crash' just in case runtiming prevents other things.
- Added titles to top of *nsay and *nme boxes so you can remember what you're doing.
