add New Zealand holidays (contribution by kerobe aka Ken B)

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@22125 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
update template and french translation for the new "New Zealand" entry

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@22128 4ae1f11a-8b86-4847-b8af-ab372f36d1fd