ref #7674 Fix class cas exceptions
ref #7674 Adapt to cdmlib change(Add aggregated description to data set)
ref #7657 Consider taxon node filter when loading data
ref #7597 Adapt to service method changes
ref #7597 Adapt to refactored service method
Use service method to find a description for a dataset
ref #7549 Add min and max data series to quant data chart
ref #7549 Add quant statistic tooltip to character matrix
ref #7549 Refactoring
ref #7549 Implement historgram tooltip for categorical data
ref #7509 Enhance aggregation dialog
ref #7509 Add "Aggregate" button to character matrix
ref #7509 Add prototype aggregation function to character matrix
Refactor CharacterMatrix code