HBASE-11477 book.xml has Docbook validity issues (again) (Misty Stanley-Jones)
HBASE-11483 Check the rest of the book for new XML validity errors and fix  (Misty Stanley-Jones)
NOTE: previous patch was mislabeled, and this empty patch has the proper subject and jira #.
HBASE-11477 book.xml Dockbook validity issues (again) (Misty Stanley-Jones)