Update gold text and links on profile page
Add info about benefits/lounge to gold gift msg
Fix adblock pixel frame selector.
Remove obsolete uWSGI logging configuration option.
Remove obsolete house ad system.

This has been replaced by reddit-plugin-adzerk and Adzerk.net.
Clean up some imports.
Remove stuff related to the 300x100 sponsorships.

These are taken care of automatically by tandem ads via Adzerk through
reddit-plugin-adzerk.
upstart: Add fastlane upstart scripts.