Added selection and mutation types in the GUI
cleaned up the code
Merge branch 'master' of https://github.com/hvy/kthscheduling into hiro
temoporary update
Implemented Tournament selection and updated Roulette Wheel selection
Made some changes in the Roulette Wheel selction but is is currently useless due to the randomized initial population space being too narrow
reworked studentgroup double booked constraint and testing another crossover with two points