GUI initial version

	renamed:    cellular_automata/visualization/base.py -> cellular_automata/visualization/pygame_visualization.py
	new file:   cellular_automata/visualization/tkinter_visualization.py
Fixed "neighborhood" name to "neighbourhood"

	renamed:    cellular_automata/lattices/neighborhoods.py -> cellular_automata/lattices/neighbourhoods.py
	modified:   experiments/cmaes_test.py
	modified:   experiments/game_of_life_test.py
	modified:   experiments/mlp_rule_test.py
	modified:   experiments/variable_equangular_test.py