Currently, to_chat is literally just a proc that does user << message.
But it'll let us do output modification in the future, especially for
something like Goon's HTML chat.
Big thanks to PJB for his to_chat script, see
https://github.com/d3athrow/vgstation13/pull/6625 for more details.
Port of -tg-'s port of /vg/'s asset cache
Funny thing is, this actually replaces an old version of /vg/'s asset
cache we already had
IT'S A PORT OF A PORT REPLACING A PORT
POOOOOOOOOOOOOORTCEPTION
Basically, gets rid of the 30-40 second interface lag when you first join,
via *mumblemumble* MAGIC!
Also moves a few nano files around.
