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/modules/assembly/signaler.dm

@@ -150,7 +150,7 @@
 	pulse(1)
 
 	for(var/mob/O in hearers(1, src.loc))
-		O.show_message(text("\icon[] *beep* *beep*", src), 3, "*beep* *beep*", 2)
+		O.show_message("[bicon(src)] *beep* *beep*", 3, "*beep* *beep*", 2)
 	return
 
 /obj/item/device/assembly/signaler/proc/set_frequency(new_frequency)