Put translation drop-down in their native language
Put translation drop-down in their native language

This makes it slightly easier to select your native language if you don't know the current language. Of course, you have to find the drop-down first... But this is how many applications do it.

Contributes to issue CURA-570.

ynotstartups/Wanhao,ynotstartups/Wanhao,hmflash/Cura,hmflash/Cura,Curahelper/Cura,fieldOfView/Cura,fieldOfView/Cura,Curahelper/Cura