Remove obsolete live configuration options.
Change frontpage keyword to "-reddit.com".
Move adzerk.js into reddit-init to fix race condition.

This should ensure that the Adzerk postMessage receiver is loaded before
Adzerk gets its payloads.
Adzerk for selfserve.
Don't use adzerk to serve ads yet.
Sanitize url, account name, and link title when sending to adzerk.
Use adzerk only for promo requests on beta subreddits.
deactivate overdelivered campaigns
track promo requests
LOCAL: adzerk for all requests and logging
adzerk_request: increase timeout.
Only update link/campaign when first charged, not every charge_pending.