More on adding support for weights to GridLayout

        public int before;

        public int after;

        public int flexibility; // we're flexible iff all included specs are flexible

        public float weight; // the min of the weights of the individual specs

        public int shareOfDelta;

        private Bounds() {

            reset();

            before = Integer.MIN_VALUE;

            after = Integer.MIN_VALUE;

            flexibility = CAN_STRETCH; // from the above, we're flexible when empty

            weight = Float.MAX_VALUE; // default  is large => row/cols take all slack when empty

        }

        protected void include(int before, int after) {

                    return MAX_SIZE;

                }

            }

            return before + after + shareOfDelta;

            return before + after;

        }

        protected int getOffset(GridLayout gl, View c, Alignment a, int size, boolean horizontal) {

        protected final void include(GridLayout gl, View c, Spec spec, Axis axis, int size) {

            this.flexibility &= spec.getFlexibility();

            weight = Math.min(weight, spec.weight);

            boolean horizontal = axis.horizontal;

            Alignment alignment = gl.getAlignment(spec.alignment, horizontal);

            // todo test this works correctly when the returned value is UNDEFINED