Draft for geoportal.braunschweig.de
Merge remote-tracking branch 'okfde/master'
Revise geoportal.braunschweig.de

- scrape filelist
- add some other db entries
- add some comments
- some refactoring
- some other minor changes
Merge pull request #7 from SebastianBerchtold/master

Braunschweig