Fixed issue 06501 : Import excel with same title for 2 group make Duplicate entry
Fixed issue : Import excel make multi sub question with the same code for additional langage
Dev : put an error control on group insertion, don't change excel system : group title have to be the same
Dev : use $gid in fullqname to have same code for question on different group.
Dev : some warning for attribute or default value, don't delete the survey