0006394: GEDCOM import errors truncated too much. Error message extended to 66 chars as suggested (and continuation lines formatted to fall under initial line)

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22294 4ae1f11a-8b86-4847-b8af-ab372f36d1fd