doc/header.html: updated to handle new tabs css required for html doc generated with doxygen 1.4.7.
doc/header.html: updated to handle new tabs css required for
html doc generated with doxygen 1.4.7.

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