gitconfig: add what alias
gitconfig: add wtf alias
bashrc: add gitk alias for --date-order
awesome: support pcmanfm file manager
awesome: session based quit mechanism

If we are using LXDE, spawn lxsession-logout.
awesome: only one tag on secondary screens
awesome: improve window borders
awesome: put evince on docs tag
profile: temporarily suppress ssh-agent

I need to integrate this better with LXDE; LXDE is spawning
gnome-keyring on login.