file browser module.

Usage:
http://localhost:17124/filebrowser/root/
http://localhost:17124/filebrowser/root/subdirectory/hello3.html
Merge branch 'master' of git://github.com/softwerkskammer/NeuePlattform-Implementierung
read filebrowser-config.json into configuration
Merge pull request #155 from dpolivaev/master

File browser module