Added navigation config (acl compatible)
Removed unneeded render() call
Indentation
Merge pull request #18 from RWOverdijk/feature/navigation

Feature/navigation
Added Excerpt, fixed minor issues.
CS
Merge pull request #19 from RWOverdijk/feature/description

Added Excerpt, fixed minor issues.
Added options
Merge pull request #20 from RWOverdijk/feature/config

Added options