Support user PASS command to check vs. local synchronet db, global notices for...

Support user PASS command to check vs. local synchronet db, global notices for opers, fixed bug with netwide TOPIC displaying server name instead of nick, TOPIC wasn't propagating beyond servers 1 hop deep, support nick hunting as per RFC1459, nick TS was incorrect, fixed reading of null line from config as per Deuce, WALLOPS wasn't propagating properly, began work on server-to-server numeric passing (ala VERSION), searchbyserver accepts wildcards and nicknames as valid server targets, an oper who SQUITs their uplink gets QUIT from it as per normal :)