Don't create a new scope in modulerenderer

As the module renderer shouldn't add anything itself, it should just
pass the scope from it's parent along. Now it does.
Merge pull request #13 from bdo-labs/fixscope

Don't create a new scope in modulerenderer
Change structure of menus in header and add css classes

Split top-menu and filter-menu out from the nav because only the top-menu
is a nav. Put both inside a header and add css classes to the menus.
Run Karma from node_modules
Highlight active state

Add the 'active' css class to the top-menu list item representing the
state you are currently in (or that best represents it, via parent state)