aggregation configuration wizard page super class
ref #8677: rank combo contains rank of selected taxon
ref #8677 minor tooltip changes
ref #8677: correct enabling and disabling of elements
ref #8677: fix wrong type
ref #8677: smaller issues
ref #8677: set default selections, sort combos and other smaller issues
ref #8679 Adapt to cdmlib changes
ref #8677: layout and labeling in aggregation config wizard
ref #8677: layout issues
ref #8677: layout issues in aggregation dialog
ref #8677: add distribution aggregation as long running task to editor