Provide option to map stations with openstreet map stations automatically

[vesavlad]

Stations are not usually placed in their correct position
Provide option to map imported stations at import time with their equivalent ones from openstreetmap.

• osm parser example https://github.com/ad-freiburg/statsimi/blob/master/statsimi/osm/osm_parser.py
• osm station similarities to check https://github.com/ad-freiburg/statsimi/