Adds FearTheBlackout/Devildabeast's custom item.
Adds Searif's custom cyborg sprite, and updates Matthew951's custom cyborg sprite.
Portable Turret Fixes

Constructed turrets begin offline.
(Un)wrenching turrets now take time.
If a turret has at least one controller then it cannot individually be turned on/off or set to lethal stun.
Uses the additional Topic-arg to make it possible for turret covers to call the actual turret Topic proc.
Silent Alarms

Attempt to fix the issue where air alarms with disabled alarm reporting still notified the monitoring consoles.
Adds Za_Redman's custom cyborg sprite.
Merge pull request #7030 from PsiOmegaDelta/AirAlarm

Silent Alarms
Merge pull request #7028 from PsiOmegaDelta/Portable

Portable Turret Fixes
Merge pull request #7020 from MrSnapwalk/epsilon

Adds several custom items/cyborg sprites.
Merge suit.dm