Routing : don't geocode start & destination when looking up route

[Martin Kolman]

• the two geocoding address lookups are slowing down re/routing
  • most user also probably don't even check out the addresses in the route detail menu

• the geocoding should be thus triggered only when the user enters the route detail menu
  • or alternatively silently in the background once route lookup finishes
  • there should be also an options to completely disable the routing related address geocoding