* Remove allowed_languages and add filtered_languages

* Use filtered_languages instead of allowed_languages

* i18n: updated Polish translation

Signed-off-by: Marcin Mikołajczak <m4sk1n@vivaldi.net>

* i18n: Updated Polish translation

* i18n: updated Polish translation

Signed-off-by: Marcin Mikołajczak <m4sk1n@vivaldi.net>

* Polish translation (needs more love though)

* Polish translation bugfix

* bugfix for new colon-containing texts

* another bugfix. yaml is evil

* minor fix

* fixing issues pointed out by reviewers

* Uwierzytelnianie dwustopniowe -> dwuetapowe, as suggested by a reviewer

* Etyczny dizajn zbyt sarkastyczny, to będą założenia