
1. fix /var/lib/<ip-address> bug (at the moment it is displayed in network
   byte order.

2. don't graph discards, errors, etc. when data is out of range.

3. add option to flag the graphs as being inverted (i.e. blue actually means
   incoming (from provider) and green means outgoing (to provider).

4. add expanded view: daily, weekly, monthly, annual graphs on same page

