Fixed JSLint and added JSLint to karma tests again.
Moved db selection to router
DB Selection view is now managed by the router and not managed by navigationView any more
Added parts of the navigation bar to the index.html this should make the other parts easier to rerender
Modified NavigationView, it is now easier to render and tests
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel