Merge branch 'master' of https://github.com/MathisDetourbet/ProjetTicTacToe

Conflicts:
	TicTacToeProject/Plateau.h
	TicTacToeProject/TicTacToeProject/Pion.cpp
	TicTacToeProject/TicTacToeProject/Pion.h
affichage plateau + pion