Kraken: We want to favoritize normal vj against stay_in vj

So we apply vj stay_in after applying normal vjs
Kraken: add failing in dev
Kraken: add a RoutingState, so it's more readable
Kraken: add comment about stay_in vj
Merge pull request #762 from l-vincent-l/NAVITIAII-1375

Kraken: We want to favoritize normal vj against stay_in vj