Book Spanish. Added information on how to deal with multiple author attributions to a single file. Sorted username list. Recovered attribution of Ariel Arjona for ch02.xml.
Book Spanish. Added information on how to deal with multiple author
attributions to a single file. Sorted username list. Recovered
attribution of Ariel Arjona for ch02.xml.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion