Moved doxygen stuff from configure.in into BB_ENABLE_DOXYGEN macro.
Moved doxygen stuff from configure.in into BB_ENABLE_DOXYGEN macro.

LesleyLai/cppunit,ryancalhoun/cppunit,freedesktop-unofficial-mirror/libreoffice__cppunit,project-zerus/cppunit,LesleyLai/cppunit,ryancalhoun/cppunit,project-zerus/cppunit,LesleyLai/cppunit,freedesktop-unofficial-mirror/libreoffice__cppunit,freedesktop-unofficial-mirror/libreoffice__cppunit,freedesktop-unofficial-mirror/libreoffice__cppunit,ryancalhoun/cppunit,LesleyLai/cppunit,ryancalhoun/cppunit,project-zerus/cppunit