tkwidmer/refugerestrooms — pull request #84 by f3ndot (2014-03-15 00:48:46+00:00)
Title: Retrieve Active Admin gem over SSL/TLS;

So, unfortunately, the `github:` shorthand in Gemfiles resolve to the `git://` protocol which is, surprisingly, insecure.

The rubysec organization recommends that all Gem sources should be accessed over SSL/TLS.