added logging into robot.launch
added logging into robot.launch

pato/bwi_experimental,pato/bwi_experimental,Musi13/bwi_experimental,utexas-bwi/bwi_experimental,utexas-bwi/bwi_experimental,utexas-bwi/bwi_experimental,utexas-bwi/bwi_experimental,pato/bwi_experimental,Musi13/bwi_experimental,utexas-bwi/bwi_experimental,utexas-bwi/bwi_experimental,pato/bwi_experimental,Musi13/bwi_experimental,pato/bwi_experimental,pato/bwi_experimental,Musi13/bwi_experimental,Musi13/bwi_experimental,Musi13/bwi_experimental