EDIT

LanguageStringBase -> LanguageString

Add new invoke method in IO package -> update done in the berlinModel, common, tcs and taxonx packages
IO for Specimen data

Ensure that collection fields of DataSet are never null

Fixed duplication of defined terms during unmarshalling.

PresenceAbsenceTerms added tcs import (default is 'present')

start moving ABCD import to the IO package

update pom.xml for apache.poi (to read Excel files)

Implemented methods getFullTitleCache() and getDatabaseType() for Taxonomic Editor.