Allow carded applications to be dismissed in Qt5

Fixes the problem which was preventing carded applications from
being dismissed by commenting out erroneous code.

Improve Doxygen paranmeters

Change-Id: Ic22fa4b6e2d3b4553784f7b9dfc69ac5a2313528
Open-webOS-DCO-1.0-Signed-off-by: Roger Stringer <roger.stringer@palm.com>