Goonchat (#4744)

* bicon regex run

* Remove all \black

* Goonchat from /vg/ / Goon

Whoo!
Special thanks to @Tastyfish for the macro2html thing so all of our
horrible color macros keep working and don't fail horribly <3

* Fixes and changes n stuff

- Made ping sane again (the fuck PJ)
- Updated chat CSS
- Fixed like one problem with a color macro

* whoops

* Restore /vg/'s pingloop stuff (used to avoid fucking up is_afk)

* Strip problematic tags from tcomm scripts

- <audio>
- <video>
- <iframe>
- <script>

* Fix human examine icon

* Name hotkey elements

* Removed old stylesheet

code/game/objects/items/weapons/extinguisher.dm

@@ -37,7 +37,7 @@
 
 /obj/item/weapon/extinguisher/examine(mob/user)
 	if(..(user, 0))
-		to_chat(usr, "\icon[src] [src.name] contains:")
+		to_chat(usr, "[bicon(src)] [src.name] contains:")
 		if(reagents && reagents.reagent_list.len)
 			for(var/datum/reagent/R in reagents.reagent_list)
 				to_chat(user, "\blue [R.volume] units of [R.name]")