Remove recreate_all_languages, make readme executable instead.
xgettext: generate valid UTF-8

This version puts UTF-8 into the header, so it should definitely write
UTF-8 encoded strings.
Merge pull request #477 from stefanbeller/master

Improve instructions and script to for translations.
GameStateConfig: Change spelling of Ok to OK.

One item less for translators.
Polish Translation: set charset to utf-8
Merge pull request #479 from stefanbeller/master

Replace Ok by OK; set polish translation to utf8