fix MarbleWidget: forward signal MarbleMap::framesPerSecond()
fix MarbleWidget: forward signal MarbleMap::framesPerSecond()

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