* www/merge-tracking/design.html   Added question/answer CSS.
* www/merge-tracking/design.html
  Added question/answer CSS.

  (storage): Improved text.  Added discussion of the index planned to
   be used for merge history queries.

  (merge-history-prereqs): Renamed anchor from merge-history-pre-reqs.

  (merge-history-faq): Renamed anchor from merge-history-q-and-a.
   Added style to question/answer paragraphs.

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