Merge pull request #2 from dragos-dumi/master

Added default current instrument on instrument filter
refs #1769 - Added a fix to not touch the date if not required
Merge pull request #3 from cristiroma/master

refs #1769 - Added a fix to not touch the date if not required
Fixed invalid date for field field_document_publish_date, when saving a document. Drupal adds an empty, invalid date
Merge pull request #4 from cristiroma/master

Fixed invalid date for field field_document_publish_date
Added Document country field
Show Document country field
Fix export url
refs #1352 removed server-side proc and added TableTools to export results
fixed conflict