German translation

This is the german translation for Sprint 40.
@ingorichter @pthiess. Please take a look at the line comments.

https://github.com/adobe/brackets/compare/45ad989284156a2b6c9e1b3669c2ce5c61055089...release#diff-38
I know I'm late, but Win is using Ordner too.
Maybe something for Sprint 41 translation.