Merge pull request #9 from cobalt-org/benny

Update for rust nightly breaking changes
remove obsolete comments, better usage instruction formatting
remove panic todo comments
added logo to readme
added resized logo to readme
Implement template rendering across directories
Merge pull request #11 from johannhof/master

Implement template rendering across directories
Improve layout performance
Merge pull request #12 from johannhof/master

Improve layout performance
added example config