[ANALYZER-2098] When dimension is used as Multi-chart level it damages sort order of child chart.
[FIX](protovis NPE) occurring on mouse over of lines and areas with invisible scenes.
[FIX](MetricPoint) a bug in the content paddings determination, for when the size role is not used.
[FEAT](def.ascending def.descending) Synonyms for def.compare and def.compareReverse.