[xmonad] xmonad-extras is now on hackage

[wagnerdm at seas.upenn.edu]

Quoting Don Stewart <dons at galois.com>:

> will you write a blog post somewhere describing xmonad-extras?

I finally wrote a little blurb about how I use XMonad.Util.Volume from  
xmonad-extras to show a brief indicator on the center of the currently  
focused screen when the volume changes (a little bit like what MacOS  
does):

http://www.dmwit.com/volume

I hope somebody finds it interesting! =)
~d