Add cs locale.

Czech locale contributed by eking.
Add fi-FI locale.

Finnish locale contributed by Jiipee.
Add he, he-IL locales.

Hebrew locales contributed by barryoni.
Add pt-BR locale.

Portuguese (Brazilian) locale contributed by Ghelman.
Add sv-SE locale.

Swedish locale contributed by Lakrits.
Add tr locale.

Turkish locale contributed by omrakin.
Add nl locale.

Dutch locale contributed by markh.