Get the config for port/dburl working.

- Update to use bookieio for source access.
- Update logging.
- Move starting/stopping to the config-changed hook since it's run after
install and port will effect running location.
- Add script to help update INI file used for app on config change.
Merge pull request #3 from bookieio/get-config-working

Get the config for port/dburl working.