Fixed a very rare bug with freelook

Fixed medbay piping
Added cameras in a bunch of areas for freelook (list follows)

corridor infront of bridge
corridor to rooms next to security
counselors office
corridor infront of medbay
west side of mech bay
medbay delivery entrance
virology back room
secure part of technical storage
teleporter entrance
disposals
hallway behind hos's office
library nw,ne,back room

code/WorkInProgress/AI_Visibility.dm

@@ -294,6 +294,8 @@ var/datum/cameranet/cameranet = new()
 		for(var/datum/camerachunk/c in eyeobj.visibleCameraChunks)
 			c.remove(eyeobj)
 	else
+		if(!eyeobj)	//if it got deleted somehow (like an admin trying to fix things <.<')
+			eyeobj = new()
 		client.eye = eyeobj
 		eyeobj.loc = loc
 		cameranet.visibility(eyeobj)