Updated gene optimization function to abide by "met all candidates at least once" constraint.
Fitness function now returns -1 when "met all candidates at least once" constraint is not met.
Changed "GAHelloWorld" class name to "Genetic".
Merge branch 'master' of https://github.com/ariefrahman95/Nanto-Scheduling

Conflicts:
	hasil.txt
	src/GA.java