EDIT

merge trunk into cdm3.3 branch

merge trunk to cdm-3.3 branch

change on logging, try find error for stracktrace handling

devided TimePeriod and TimePeriodParser #3617

reintegration of branch "gwt-ui" concerning stream based excel import

move DescriptionElementSource to description package #2345

adding recordBasis to SpecimenOrObservationBase and removing some DerivedUnit classes (all #3378) and adding kindOfUnit to SpecimenOrObservationBase (except for according termType and vocabulary) #3568.

remove TdwgArea and add termType and idInVocabulary (#2998, #3478, #3479, #3539) in io (There is an open issue in CdmImporterTest)

update factory methods for original sources #1549

Merge trunk into CDM 3.3