Add book in HTML format, downloaded from read.shapeofdesignbook.com

License: CC-BY-NC-SA, by Frank Chimero

Commands used on the command line (from Ubuntu 12.04):

  cd book-en
  wget -r --wait=1 --random-wait -nc http://read.shapeofdesignbook.com/
  mv read.shapeofdesignbook.com/* .
  rmdir read.shapeofdesignbook.com