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/pda/app.dm

@@ -24,7 +24,7 @@
 			L = get(pda, /mob/living/silicon)
 
 		if(L)
-			to_chat(L, "\icon[pda] [message]")
+			to_chat(L, "[bicon(pda)] [message]")
 			nanomanager.update_user_uis(L, pda) // Update the receiving user's PDA UI so that they can see the new message
 
 	if(!notify_silent)