Combined * Plot: Wrong alignment of the shared axis

[demike]

The shared axis length does not take into account the axisOffset, so the ticks are misaligned

You can see this in the demos: Combined Axis Charts / CombinedCategoryPlotDemo1.java Combined Axis Charts / CombinedCategoryPlotDemo2.java Combined Axis Charts / CombinedTimeSeriesDemo1.java Combined Axis Charts / CombinedXYPlotDemo1.java Combined Axis Charts / CombinedXYPlotDemo2.java Combined Axis Charts / CombinedXYPlotDemo3.java Combined Axis Charts / CombinedXYPlotDemo4.java (on every combined plot demo)