submit: out and log with tag subdirectory
add seltuple template and option
run matrix prediction with Jul_26 matrix
add plot_fake_weight_correlation.py
datasets: refactor Dataset and add  DatasetGroup

This allows to pass the grouping information on to the plotting code.
makeList: bugfix outputdir
initial version of plot_emu.py; work in progress

Also import the necessary helper files from SusyTest0.
Now working on adding the group loop.
import rootUtils.integralAndError
mkdirIfNeeded: return path (nicer syntax)
plot_emu: histo fill now working
HackyNumpy and more rootUtils functions
plot_emu: now working, needs cleanup