StackedTileLoader::loadTile: make variable names more consistent and change clouds hack like in reload.
StackedTileLoader::loadTile: make variable names more consistent
and change clouds hack like in reload.

svn path=/trunk/KDE/kdeedu/marble/; revision=1108760

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