EDIT

ref #10326 handle alternativeRootArea in non-DTO based distribution tree (cont.)

revert unwanted cleanup changes

ref #10326 handle alternativeRootArea in non-DTO based distribution tree

cleanup (cont.)

ref #10326 handle alternativeRootArea in DTO based distribution tree

cleanup

cleanup (rename hiddenArea->fallbackArea) and others

javadoc

cleanup

ref #10327 taxon portal dto loader uses iucn distr info