Added call to TunnelCreator() in Control Ctor to set up Tunnels on the gameboard.
Updated call to RobotzControl() and added configurator as a parameter
Moved checkPositionTarget() to class Checker.
changed visibility of createTunnel() public to make it a accessible from Control layer.
removed methods for Tunnel creation to Control layer.
Created class TunnelCreator in control package to deal with tunnel initialization.