forwardporting of r976898: Disable position debugging messages, they serve no real purpose
forwardporting of r976898:
Disable position debugging messages, they serve no real purpose

svn path=/branches/marble/marble-gsoc-2009/; revision=977064

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