EDIT

implement RankClass, remove iso639_2, add max values to distance attributes, change type for distances,

exchange modifier classes by DefinedTerm, add termtype to csv files, make term loader required constructor private

remove TdwgArea and add termType and idInVocabulary (#2998, #3478, #3479, #3539)

minor

fix bugs and adapt tests for original source type

update factory methods for original sources #1549

Merge trunk into CDM 3.3

change ICBN to ICNAFP #2864

update ReferenceFactory method

update ReferenceFactory method