fixed top navbar, route paths as constant ROUTES
Merge branch 'develop' into navigation-redesign
use ROUTES also in views
removed obsolete TrackSwitchControllerTest
removed console log
switched to base url <base href>:/ for local dev with grunt, /conf/buddy/ for deployment, minor styling
removed flip animation since causing flickering in combination with copperfield
Merge pull request #80 from SchweizerischeBundesbahnen/feature/kgu/navigation-redesign

feature/kgu/navigation redesign
Merge branch 'develop' into feature/mfr/comment-only-authenticated