updated the doc somewhat
updated the doc somewhat

svn path=/trunk/KDE/kdeedu/marble/; revision=673412

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