Fix the most important part of the readme

Change the twitter `/favorites` to `/likes`

README.md

@@ -113,4 +113,4 @@ Please see [Getting help for GitLab](https://about.gitlab.com/getting-help/) on
 ## Is it awesome?
 Thanks for [asking this question](https://twitter.com/supersloth/status/489462789384056832) Joshua.
-[These people](https://twitter.com/gitlab/favorites) seem to like it.
+[These people](https://twitter.com/gitlab/likes) seem to like it.