Double entry of "config.log_config"

Double entry of "config.log_config"

Removed trailing whitespaces with

```sh
for file in `grep -r " $" * | cut -d : -f 1 | sort | uniq | grep -v " "`; do sed -i 's/[ \t]*$//' $file; done
```

and some handwork.

Add missing translation keys and add some german translations

Add missing translation of "locale_en-US.ini"

Fixed typo