Update the dtw algorithm to use a DMat instead of a temporary function.
Add michalewicz example
Change Michalewicz to dimension 10
Add dejongf2 example
Add dejongf3.
Add 3 new examples of funtions to optimize
Merge branch 'dtw_to_nalgebra' of https://github.com/sebcrozet/frog

Conflicts:
	Makefile
Move dna into ga
Remove useless example
Add simulated annealing algorithm.
Add Schwefel example
Merge branch 'simulated_annealing' of https://github.com/sebcrozet/frog

Conflicts:
	Makefile