6878: CLI import/export plugins broken w/o DISPLAY

Reapply from gramps40.

commit b2977abeab0be3c9edd85f26f9c151d82198921c
Author: Vassilii Khachaturov <vassilii@tarunz.org>
Date:   Wed Aug 21 18:54:21 2013 +0000

    Replace a hardwired ProgressMeter with proper calls to User

    Tested with impex.sh with and without DISPLAY env

    git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22901 4ae1f11a-8b86-4847-b8af-ab372f36d1fd

commit d67eda455f4f8c97e34ec7c85fb0bcf3a9c3b940
Author: Vassilii Khachaturov <vassilii@tarunz.org>
Date:   Wed Aug 21 18:54:05 2013 +0000

    6957: support gender in vcard import

    forgotten merge cleanup

    git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22900 4ae1f11a-8b86-4847-b8af-ab372f36d1fd

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@22911 4ae1f11a-8b86-4847-b8af-ab372f36d1fd