I18N: Update Belarusian translation (patch #1605)
I18N: Update Galician translation (patch #1604)
I18N: Update the norwegian (bokmål/nynorsk)-translations a bit
I18N: Update Swedish translation (patch #1607)
I18N: Update Russian translation (patch #1606)
I18N: Updated Polish translation.
I18N: Regenerate the translations data file