Simple Navigation is almost complete. Last ting is to render every sub item.
Currently commented out, but is on the last line of _sidebar.
Merge branch 'master' of https://github.com/cdcueva/oliwi into navigation
Merge branch 'master' of https://github.com/cdcueva/oliwi into navigation
Merge pull request #77 from cdcueva/navigation

(simple) navigation - almost done.