JumpstartLab/curriculum — pull request #977 by elersong (2014-10-13 21:07:37+00:00)
Title: Update Twitter API Settings

As of 13 Oct 2014, the Twitter App API won't accept "http://localhost" as a valid url. However, a specific reference to the localhost IP seems to be the method that works best for developers.

https://twittercommunity.com/t/why-cant-i-use-localhost-as-my-oauth-callback/708/3