Computation times

00:10.675 total execution time for 4 files from examples/multi_objective:

Example	Time	Mem (MB)
Multi-objective Poloni example with the mNBI algorithm (plot_mnbi_poloni.py)	00:04.297	0.0
Pareto front on the Binh and Korn problem using a BiLevel formulation (plot_pareto_front_binhkorn_bilevel.py)	00:03.818	0.0
Multi-objective Binh-Korn example with the mNBI algorithm (plot_mnbi_binh_korn.py)	00:01.826	0.0
Multi-objective Fonseca-Fleming example with the mNBI algorithm (plot_mnbi_fonseca.py)	00:00.733	0.0