[#420] Include missing elements in survey transfer + set unpublished

Fix to include missing survey related data during survey transfer
and to set the status of published surveys to 'unpublished'.
[#420] Revert 'description' and 'status' properties
[#420] Mismatching fields SurveyDto.description and Survey.desc

Adding extra statements to correctly copy description field
Merge pull request #548 from akvo/issue/420

[#420] Include missing elements in survey transfer + set unpublished