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/examine/examine.dm

@@ -46,7 +46,7 @@
 	description_holders["antag"] = (update_antag_info)? A.get_description_antag() : ""
 
 	description_holders["name"] = "[A.name]"
-	description_holders["icon"] = "\icon[A]"
+	description_holders["icon"] = "[bicon(A)]"
 	description_holders["desc"] = A.desc
 
 /client/Stat()