EDIT

fix delete taxon nodes with children

bugfix for null rank in #4374

remove generics

generics

handle null name

• removed @Cascade for country in GatheringEvent because DefinedTerms should not be cascaded
  • added new service method to occurence service to find all CDM entities that are not saved via cascading
  • added tests for new method
  • added test for concurrent session saving of terms...

typos

added check for null cdm entity when putting default terms in cache

added possiblity to initialise some specific terms (like default language) which could be called outside a session

fixing prefer specific distributions for #3904 (EuroMed: Implement filtering rules for Distributions), status=null was ereoneously preferred