ECL-316 DataSet: moved variables, from instance variables -> local var
ECL-316 Records: moved variables, from instance variables -> local var
ECL-299 RecordsResource: only ADMIN can deleteRecord()
ECL-316 VersionResource: moved instance variables -> local
ECL-316 RepresentationsResource moved instance variables -> local var
ECL-316 RepresentationResource: moved instance variables -> local var