This PR adds more advanced coordinate extraction, analysing the road
to detect offsets due to OSM way modelling.
In addition it improves the handling of bearings. Right now OSM reports
bearings simply based on the very first coordinate along a way.
With this PR, we store the bearings for a turn correctly, making the
bearings for turns correct.
* cucumber test scenarios, #3027
* post review comments
* two tests are still failing
* fixed one test
* passing tests
* cleaner code refactor
* possible sceanrios for destination:ref:forward/backward
* added code for direction:ref:forward/backward, tests pass
* changelog
* store direction in variable
* added tags to taginfo
* fixed dumb error
* use boolean flags
* null pointer checks
* hopefully better null pointer checks