Enable the 404 page for Polish.
Enable the 404 page for Polish.

We now have the translation.


Former-commit-id: 961bd20b731ab8352b503d197bcefbfb9d0d676d
guilherme-pg/citationhunt,guilherme-pg/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,eggpi/citationhunt,eggpi/citationhunt