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/proximity.dm

@@ -50,7 +50,7 @@
 	sense()
 		if((!secured)||(!scanning)||(cooldown > 0))	return 0
 		pulse(0)
-		visible_message("\icon[src] *beep* *beep*", "*beep* *beep*")
+		visible_message("[bicon(src)] *beep* *beep*", "*beep* *beep*")
 		cooldown = 2
 		spawn(10)
 			process_cooldown()