EDIT

ref #6794 change FeatureTree to TermTree

ref #6794 add TermRelation and rename FeatureNode -> TermTreeNode

fix #8257 remove remaining deprecated FeatureNode.NewInstance method

fix #8257 Remove factory methods for term node creation

ref #8162 move FeatureTree and FeatureNode to term package

ref #8162 move OriginalSourceXXX to reference package

ref #8162 adapt cdmlip to new term package structure

ref #6794 Add generics to FeatureNode and FeatureTree

ref #8017 add sources to TypeDesignationBase

cleanup