merge more recent content from 3.4.x

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22356 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
merge more recent content from 3.4.x

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22359 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
GrampsLocale: Disable debug logging for release

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22360 4ae1f11a-8b86-4847-b8af-ab372f36d1fd