Documentation and validation update

README.md

python/100x10_afterburner.hist.root

python/100x10_pythia8_alleff.hist.root

python/275x18_afterburner.hist.root

python/275x18_pythia8_alleff.hist.root

python/41x5_afterburner.hist.root

python/41x5_pythia8_alleff.hist.root

python/comparison.ipynb

python/pics/100x10_eta_comparison.png

python/pics/100x10_phi_comparison.png

python/pics/100x10_phi_vs_eta_comparison.png

python/pics/100x10_pt_vs_eta_comparison.png

python/pics/100x10_vtx_t_comparison.png

python/pics/100x10_vtx_x_comparison.png

python/pics/100x10_vtx_y_comparison.png

python/pics/100x10_vtx_z_comparison.png

python/pics/275x18_eta_comparison.png

python/pics/275x18_phi_comparison.png

python/pics/275x18_phi_vs_eta_comparison.png

python/pics/275x18_pt_vs_eta_comparison.png