use QApplication's application + organization name instead of hardcoding it
use QApplication's application + organization name instead of hardcoding it

* allows QtQuick applications to store their settings to their own files

AndreiDuma/marble,tzapzoor/marble,utkuaydin/marble,tucnak/marble,tzapzoor/marble,tzapzoor/marble,quannt24/marble,utkuaydin/marble,utkuaydin/marble,AndreiDuma/marble,tzapzoor/marble,AndreiDuma/marble,AndreiDuma/marble,probonopd/marble,quannt24/marble,David-Gil/marble-dev,David-Gil/marble-dev,tucnak/marble,AndreiDuma/marble,quannt24/marble,tucnak/marble,tzapzoor/marble,tucnak/marble,probonopd/marble,David-Gil/marble-dev,Earthwings/marble,David-Gil/marble-dev,utkuaydin/marble,Earthwings/marble,Earthwings/marble,utkuaydin/marble,tucnak/marble,tzapzoor/marble,probonopd/marble,David-Gil/marble-dev,quannt24/marble,probonopd/marble,tzapzoor/marble,utkuaydin/marble,tucnak/marble,quannt24/marble,Earthwings/marble,Earthwings/marble,probonopd/marble,tucnak/marble,quannt24/marble,tzapzoor/marble,probonopd/marble,probonopd/marble,quannt24/marble,David-Gil/marble-dev,AndreiDuma/marble,Earthwings/marble