Only include disqus in jekyll production mode.
Only include disqus in jekyll production mode.

For an explanation, see:
  https://github.com/bk2dcradle/Chaplin/issues/1#issue-145389458

bk2dcradle/Chaplin,marlenech/marlenech.github.io,marlenech/marlenech.github.io,bk2dcradle/Chaplin