Update the gitstats data to only have commits, and to use / for root directory
Update the gitstats data to only have commits, and to use / for root directory

danmane/plottable,iobeam/plottable,palantir/plottable,iobeam/plottable,RobertoMalatesta/plottable,danmane/plottable,danmane/plottable,softwords/plottable,palantir/plottable,RobertoMalatesta/plottable,alyssaq/plottable,onaio/plottable,jacqt/plottable,jacqt/plottable,NextTuesday/plottable,softwords/plottable,NextTuesday/plottable,palantir/plottable,RobertoMalatesta/plottable,jacqt/plottable,gdseller/plottable,softwords/plottable,gdseller/plottable,palantir/plottable,gdseller/plottable,alyssaq/plottable,NextTuesday/plottable,onaio/plottable,iobeam/plottable,onaio/plottable,alyssaq/plottable