Don't show an empty content container
Only add .campl-selected where necessary
Force menu block configuration
Merge pull request #20 from thewilkybarkid/hide-empty-content-container

Don't show an empty content container
Merge pull request #24 from thewilkybarkid/menu-block-config

Force menu block configuration
Merge pull request #25 from thewilkybarkid/campl-selected

Only add .campl-selected where necessary
Move left navigation construction out of the template