adzerk_request: Do some logging to get details of bad responses.
Move special frontpage name to variable.
Add ability to pull geotargeting locations from adzerk.
Set g.locations from locations.json.
Add ability to pull inventory reports from adzerk.
Add upstart job to write location inventory.
Set GeoTargeting info on adzerk Flights.
Include request IP in adzerk_request.
Add adzerk GeoTargeting workarounds.

It's not reliable to update GeoTargeting using the Flight endpoint.