updated tournament and in world added change to make cell 'not empty' if
a rock is placed
Setup tests to check syntax checker
Got tournaments working
Merge branch 'Ben'

Conflicts:
	SoftwareEngineeringProject/src/SEngine/Cell.java
	SoftwareEngineeringProject/src/SEngine/Game.java
fixed errors
made world only update cells which change, small changes to tournament
Added a main menu. Need to implement it to change in game variables