Moving task queue from postgres db backed to redis backed.
Merge branch 'master' into queue

* master:
  Adding Paypal API.
Fixing feeds that fall through.
Merge branch 'master' into queue

* master:
  Moving elastic search hosts.
  Fixing haproxy install.
  Changing dev/debug host for socketio.
  Ripping out memcache in favor of redis.
  Migrating original page servers and munin servers.
Only need next scheduled update.
Handling decayed feeds with no more active subscribers. They don't get returned to the scheduled_updates queue until there are enough active users.
Merge branch 'master' into queue

# By Samuel Clay (2) and Lance Johnson (1)
# Via Lance Johnson (2) and Samuel Clay (2)
* master:
  Adding feed id to feed selector.
  Giving error on empty mark read endpoint.
  Fix duplicate feed listing bug and fix issus with remembering folder collapse/expande perferences in main feed list view
Cleaning up queue migration.
Merge branch 'queue'

* queue:
  Cleaning up queue migration.
  Handling decayed feeds with no more active subscribers. They don't get returned to the scheduled_updates queue until there are enough active users.
  Only need next scheduled update.
  Fixing feeds that fall through.
  Moving task queue from postgres db backed to redis backed.