Added the autosave-interval value, I forgot to mention it in the translation changelog (feel free to correct me).
Corrected the wrong english keys.
Tanslated autosave-interval
Case sensitiv mistake fixed.
Removed one word that bugged me (review please)
Changed "Aufteilerfließband" to "Aufteilfließband"
Changed one word (as suggested by Zeldafan)