Create an SSH key and add it to GitHub account

[webknjaz]

See:

• https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent/#generating-a-new-ssh-key (you may omit adding a password)
• https://help.github.com/articles/connecting-to-github-with-ssh/

After completing instructions, post the result of the following command in a comment to this issue:

ssh -T git@github.com

[RootenberG]

ssh -T git@github.com

[webknjaz]

Result of the command needed. Use ```console for highlighting

[RootenberG]

Hi RootenberG! You've successfully authenticated, but GitHub does not provide shell access.