Fix typo in about/nitpick

Signed-off-by: chatgris <jboyer@af83.com>
Add link to GitHub flavoured markdown. Fixes #176.
Temporarily move RNA transcription (Ruby)

Right now it is no longer a simple assignment suitable for exercise 2.
Merge pull request #354 from jordelver/add-link-to-github-flavoured-markdown

Add link to GitHub flavoured markdown. Fixes #176.
Merge pull request #352 from doncruse/master

Addressing issue #346.
Merge pull request #353 from chatgris/about_nitpick

Fix typo in about/nitpick
Point rouge to origin/master
Fix smoke tests