Webapp: use cuni for python3 compatibility

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22990 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
updated german translation

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22991 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Webapp: search refinements

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22994 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Webapp: update empty.sql to latest db design

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22996 4ae1f11a-8b86-4847-b8af-ab372f36d1fd