Qfs tool: use IntToString() instead of ostringstream to calculate max. column witdth. Fix / rework du to make it the same as hadoop 1.0 by calculating the size column width.
Qfs tool: use IntToString() instead of ostringstream to calculate max. column witdth. Fix / rework du to make it the same as hadoop 1.0 by calculating the size column width.

chanwit/qfs,quantcast/qfs,quantcast/qfs,fengshao0907/qfs,quantcast/qfs,qnu/qfs,quantcast/qfs,qnu/qfs,thebigbrain/qfs,chanwit/qfs,qnu/qfs,thebigbrain/qfs,thebigbrain/qfs,chanwit/qfs,chanwit/qfs,thebigbrain/qfs,fengshao0907/qfs,thebigbrain/qfs,qnu/qfs,quantcast/qfs,chanwit/qfs,qnu/qfs,qnu/qfs,chanwit/qfs,quantcast/qfs,qnu/qfs,fengshao0907/qfs,fengshao0907/qfs,chanwit/qfs,chanwit/qfs,fengshao0907/qfs,fengshao0907/qfs,fengshao0907/qfs,thebigbrain/qfs,thebigbrain/qfs,quantcast/qfs,qnu/qfs,thebigbrain/qfs,fengshao0907/qfs,quantcast/qfs