irssi: ignore CTCP requests
mpd: fix a warning

> daemon: cannot init supplementary groups of user "minoru": Operation not
permitted
nethack: define dogname, favourite fruit and lots of other things
rtorrent: enable peer exchange
rtorrent: limit upload to 300KBps
zsh: move local things out to ~/.zshrc.local
zsh: do not display torify in the window title