Gives Malfuncting AIs the Hostile Lockdown ability!

Grants the AI a new ability - Hostile Lockdown, costing 20 CPU time.
- This ability activates all firelocks
- Closes all blast doors and shutters
- Closes and shock-bolts all airlocks that the AI can control, crushing anyone standing in a doorway when it happens.
- Sets the screen display to "Lockdown"
- The lockdown can be reversed using the "Disable Lockdown" verb.
- Lifting the lockdown opens everything that was locked down by the AI. (Airlocks close again shortly after)
- Lifting the lockdown restores airlocks to a safe and functional setting.

Justification for this ability provided here: http://www.ss13.eu/tgdb/latest_stats.html#mode_AI_malfunction

It is my hope that this and further tweaks will help to even out the win/loss rate for the AI during this mode.