clean up

* remove .xserverrc
* clean up .xinitrc
* clean up .Xresources
* remove awesome-wm configs
* remove from zshrc:
    wicd-curses hook
    udisks hook
    slurm alias
    wpa_dhcp
    wep_dhcp
    open_dhcp
    wifi_scan
    embed_subtitle
* remove irssi configs
* remove slurm theme
* remove urxvt's mytabbed extension
* remove vifm configs
* remove scripts/utubify.sh
weechat: update config
gnupg: use pinentry-gtk-2
emacs: update my-linum and my-rxvt