Allow users who log in from a non-whitelisted IP to see all standups

In the previous behavior, users could just see the London standup (which has no whitelisted IPs).  After clicking on the London standup, they could then click on 'All Standups' and see all of the standups for all locations.

This is to finish this story from Pivotal Tracker: https://www.pivotaltracker.com/story/show/64414998