Also removed a hack for i119803, because proper solution is
implemented.

This does not export data source information yet.

Unit tests for DOC and DOCX are included. RTF export is already
covered in testFdo80905.

Change-Id: Id4f6d53344edf474add7e885e8ae6f36618e569f
Reviewed-on: https://gerrit.libreoffice.org/45193Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>