title: Git asks for username and password even though SSH keys is setup
body: <p>On my mac Git asks me for username and password everytime i login although i followed the step by step instructions at <a href="https://help.github.com/enterprise/2.3/user/articles/generating-ssh-keys/" rel="nofollow">https://help.github.com/enterprise/2.3/user/articles/generating-ssh-keys/</a></p>