add title to eval_Cppdata.R plots
add functionality to nested barplot
outputonline: concatenate plots if pdfcat exists
add functions which compares mps/fps measurements for different ensembles
add correls_bunches function which plots raw correlator data in bunches of x
add performance_barplot function to draw pretty barplots to compare values
add copious amount of example data for nested_barplot
mv online_to_Cpp.sh to scripts directory
add lat_phys_ratios function to plot pretty looking plots comparing lattice ratios to physical ratios