Put backticks around link, so you can add spaces
Put backticks around link, so you can add spaces

This keeps links consistently always using `link`_ syntax, and allows people to use spaces in their link names.
pestrickland/sublime-rst-completion,pestrickland/sublime-rst-completion,Kronuz/sublime-rst-completion,Kronuz/sublime-rst-completion,tzmgit/sublime-rst-completion,tzmgit/sublime-rst-completion,mgaitan/sublime-rst-completion