Ports Goonchat from Baystation. (#9635)

changes:

    rscadd: "Ported a new chat system, Goonchat, that allows for cool things like changing font style, size, spacing, highlighting up to 5 strings in the chat, and DARK MODE."
    rscadd: "Repeated chat messages can now get compacted. You can disable this in goonchat settings."
    rscadd: "You can change icon style to any font on your system."
    tweak: "The game window has been altered a bit to adjust for this."
    rscdel: "Removed skin style prefs as they are no longer used."

code/modules/events/money_spam.dm

@@ -177,7 +177,8 @@
 			if (!P.message_silent)
 				playsound(P.loc, 'sound/machines/twobeep.ogg', 50, 1)
 			for (var/mob/O in hearers(3, P.loc))
-				if(!P.message_silent) O.show_message(text("\icon[P] *[P.ttone]*"))
+				if(!P.message_silent)
+					O.show_message(text("[icon2html(P, O)] *[P.ttone]*"))
 			//Search for holder of the PDA.
 			var/mob/living/L = null
 			if(P.loc && isliving(P.loc))
@@ -187,4 +188,4 @@
 				L = get(P, /mob/living/silicon)
 
 			if(L)
-				to_chat(L, "\icon[P] <b>Message from [sender] (Unknown / spam?), </b>\"[message]\" (Unable to Reply)")
+				to_chat(L, "[icon2html(P, L)] <b>Message from [sender] (Unknown / spam?), </b>\"[message]\" (Unable to Reply)")