Fix centerOn zooming in too much for non-quadratic objects.
Fix centerOn zooming in too much for non-quadratic objects.

svn path=/trunk/KDE/kdeedu/marble/; revision=1106095

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