Copy some code from atcodes.cpp to show all the aux and network attributes.

Also, the MsgAttr text.dat string only contains 17 %s's but we were passing 18, so the last attribute (KillSent) would never be shown.

Instead, split this into 3 strings and just pass those 3 strings to the MsgAttr format string along with a ton of blank strings. So we don't have to keep updating the MsgAttr text.dat string every time we add more attribute flags (that was kind of ridiculous).