TryGhost/Ghost — pull request #2552 by hschaeidt (2014-04-04 16:25:56+00:00)
Title: in some cases the git protocol cannot be processed

Hi Team

Port blocking or other reasons can be the cause of this issue. With HTTPS it should work for everyone.
I had to change this due to the failing of grunt init. Changing protocol fixed the issue.

Regards
Hendrik