New methods for plotting the solution list (plot_scatter and plot_scatter_real_time) along with a new class that handles graphics (jmetal/util/graphic.py).
New observer for visualizing the Pareto front in real-time ((jmetal/component/observer.py).
Added CHANGELOG (CHANGELOG.md) and CONTRIBUTING (CONTRIBUTING.md) files.
New decorator for computing execution time of any method.
Several improvements regarding PEP8 code style guide.
Taken from
README.mdandCHANGELOG:plot_scatterandplot_scatter_real_time) along with a new class that handles graphics (jmetal/util/graphic.py).(jmetal/component/observer.py).CHANGELOG.md) and CONTRIBUTING (CONTRIBUTING.md) files.