This option allows images and drawings to be skipped while importing
DOC and DOCX, for text-only conversion or indexing.

Change-Id: Id4bfbbe48d8a8e970b1cb5922187768bf94dc918
Reviewed-on: https://gerrit.libreoffice.org/14733Reviewed-by: Németh László <nemeth@numbertext.org>
Tested-by: Németh László <nemeth@numbertext.org>