QDoc now has support for Doxygen style commands for italics, bold
and list items. This change applies that change in QDoc to the
actual documentation.

Task-number: QTBUG-24578
Change-Id: I1de252fef83ae57810c9045234bf20e0604d639f
Reviewed-by: Casper van Donderen <casper.vandonderen@nokia.com>