EDIT

#4114 sort order in taxon navigator

avoiding NPE

dnd support in taxon navigator for Taxonnodes protected regarding user permissions - #4055 (action enablement adapts to the users granted authorities)

avoiding NPE and other exceptions

• added util method to get for getting a CDM entity (used in authenication/permission framework)
  • made use of this method where the type of the parameter was too general (like object)
  • made getBaseUnit() of DerivedUnitFacade public

base implementation and configuration for securing the editor - #4055 (action enablement adapts to the users granted authorities)

adding the operation and handler files

move the change accepted to Synonym Operation to taxon navigator.

• adapted sub classes of AbstractPostOperation

• extracted super class from AbstractPostOperation (same name)
  • created sub class AbstractPost Taxon/Describable Operation