ud.jsm: fix defToText()
isitup.jsm: new module - queries isitup.org
oblique.jsm: new module - tools using oblique
infobot.jsm: rename telll to send; use Message API
tell.jsm: new module - send messages when not idle
todo.jsm: new module - basic todo list
owm.jsm: response on one message; use new API
date.jsm: new tz command; use Message API

Just, err... don't try to use the tz command when running the bot on a
non-*nix.  It won't work.
bom.jsm: 1 response; use new API; use vovo.id.au
ddg.jsm: update for new-ish API