Made Home button go to Home of the current app

Rather than Home going to tevko.github.io/practice, it will go to index.html

This helps people doing dev work, or hosting their own version of the app
not to end up in the wrong place.

Codepens are still created with a link to the original tevko App
Merge pull request #6 from jammaloo/gh-pages

Made Home button go to Home of the current app