singleLineDensity now plots probability correctly
singleLineDensity now plots probability correctly

Previously it was using the histogram density option 'pdf', but now it
uses 'probability' which actually adjusts the distribution such that
sum(p(x)) = 1, rather than going above 1.

jonesr18/MATLAB_Flow_Analysis,jonesr18/MATLAB_Flow_Analysis,jonesr18/MATLAB_Flow_Analysis,jonesr18/MATLAB_Flow_Analysis