Moved away from 'bluebook.xml' to 'patHowto.xml'

Can now use the transform script as follows:
    ./transform.sh pat.out patHowto.xml
to create html: point your browser to
file:///path/to/pathagar/doc/index.html

The content itself is as of now still in its infancy!

On branch gh-pages changes committed:
 	new file:   README
 	deleted:    bluebook.proc
 	deleted:    errors
 	new file:   patHowto.xml
 	new file:   patPreface.xml
 	new file:   transform.sh