Use Doxygen 1.5.9 to update Doxyfile
Use Doxygen 1.5.9 to update Doxyfile

This fixes a bunch of warnings when using the old file with a newer
version of Doxygen:

  Warning: Tag `USE_WINDOWS_ENCODING' at line 34 of file Doxyfile has become obsolete.
  To avoid this warning please update your configuration file using "doxygen -u"
  Warning: Tag `DETAILS_AT_TOP' at line 56 of file Doxyfile has become obsolete.
  To avoid this warning please update your configuration file using "doxygen -u"
  Warning: Tag `MAX_DOT_GRAPH_WIDTH' at line 244 of file Doxyfile has become obsolete.
  To avoid this warning please update your configuration file using "doxygen -u"
  Warning: Tag `MAX_DOT_GRAPH_HEIGHT' at line 245 of file Doxyfile has become obsolete.
  To avoid this warning please update your configuration file using "doxygen -u"

Signed-off-by: Wincent Colaiuta <c76ac2e9cd86441713c7dfae92c451f3e6d17fdc@wincent.com>

wincent/WOPublic,wincent/WOPublic