simulator: fixes and improvements to makefile
simulator: fixes and improvements to makefile

walachey/football-worldcup-simulator,walachey/football-worldcup-simulator,walachey/football-worldcup-simulator-comp,walachey/football-worldcup-simulator,walachey/football-worldcup-simulator-comp,walachey/football-worldcup-simulator,walachey/football-worldcup-simulator,walachey/football-worldcup-simulator-comp,walachey/football-worldcup-simulator-comp