Users are able to log out now
get route by id additions

Now calculates the directions and returns a static png to the client
Changed static google maps png size to better scale on mobile devices.
Add routes to the database
Merge branch 'dev' of https://github.com/oSoc13/Cityroute into dev
guarantee survival of the server in case of bugs.
Route directions are now immediately calculated on the server upon adding a route.
return correct data on adding route.
Bug fixed and new visualisation

Routes are now shown when you can choose between them
Prevent stacking of possible spots in list
Asking API for nearby spots now also returns a static Google Maps PNG.

Yay!
Find relevant spots.
When adding routes only show first and relevant items