Add check for antags in msg_admin_attack

This commit first adds a new helper proc labeled isAntag(), as well as
adding a check for antags for every instance of msg_admin_attack().

Goals of this commit:
 - Make admin ATTACK: logs indicate if attacker is an antagonist.

Note; High probability of merge conflicts, 47 files changed.

code/game/objects/items/devices/aicard.dm

@@ -15,7 +15,7 @@
 
 		M.attack_log += text("\[[time_stamp()]\] <font color='orange'>Has been carded with [src.name] by [user.name] ([user.ckey])</font>")
 		user.attack_log += text("\[[time_stamp()]\] <font color='red'>Used the [src.name] to card [M.name] ([M.ckey])</font>")
-		msg_admin_attack("[user.name] ([user.ckey]) used the [src.name] to card [M.name] ([M.ckey]) (<A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[user.x];Y=[user.y];Z=[user.z]'>JMP</a>)")
+		msg_admin_attack("[user.name] ([user.ckey])[isAntag(user) ? "(ANTAG)" : ""] used the [src.name] to card [M.name] ([M.ckey]) (<A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[user.x];Y=[user.y];Z=[user.z]'>JMP</a>)")
 
 		transfer_ai("AICORE", "AICARD", M, user)
 		return

code/game/objects/items/devices/transfer_valve.dm

@@ -51,7 +51,7 @@
 		A.toggle_secure()	//this calls update_icon(), which calls update_icon() on the holder (i.e. the bomb).
 
 		bombers += "[key_name(user)] attached a [item] to a transfer valve."
-		msg_admin_attack("[key_name_admin(user)] attached [item] to a transfer valve.")
+		msg_admin_attack("[key_name_admin(user)][isAntag(user) ? "(ANTAG)" : ""] attached [item] to a transfer valve.")
 		log_game("[key_name_admin(user)] attached [item] to a transfer valve.")
 		attacher = user
 		nanomanager.update_uis(src) // update all UIs attached to src