fixed a bug where ‘keep.pred’ was ignored in the benchmark function
some of the very new functions for benchmark plots had to be refactored and/or renamed. these names are gone from the API: plotBenchmarkResult, generateRankMatrixAsBarData, plotRankMatrixAsBar, generateBenchmarkSummaryData, plotBenchmarkSummary, this is the new API: plotBMRSummary, plotBMRBoxplots, plotBMRRanksAsBarChart