Put isFinished of CGDeplSwitch command into Command?

[LTSENG01]

2018-PowerUp/src/main/java/org/whsrobotics/commands/commandgroups/CGDeployCubeToSwitch.java

Lines 19 to 27 in 5437281

	addSequential(new Command() {
	@Override
	protected boolean isFinished() {
	double max = Elevator.Position.SWITCH.getTarget() + 600;
	double min = Elevator.Position.SWITCH.getTarget() - 600;
	double current = Elevator.getEncoderPosition();
	return current > min && current < max;
	}
	});