larvalabs/pullup — pull request #239 by cgroner (2014-02-20 04:01:57+00:00)
Title: When the "Join Site" banner is dismissed, it should stay dismissed.

In this change I create a new cookie `skip_alert` when a user dismisses the "Join Site" alert and use this to avoid displaying the alert again (and again, and again).

This should address issue #221