Process stops and stations

Do not process entrances, generic nodes, boarding areas.

Extended location types (stops.txt) to be implemented later

multigtfs/models/stop.py

@@ -153,7 +153,7 @@ def is_stop(pairs):
             '''Does the row represent a stop?'''
             for name, val in pairs:
                 if name == 'location_type':
-                    return val != '1'
+                    return val == '0'
             return True
 
         logger.info("Importing non-station stops")