Add LillVlilleCity, similar to Orléans
Cleanup Station Individual updates Parsing
Split BicycletteCity update code in a category
Reserialize Cities.json
Export up-to-date Cities.json in DataGrabber

refs #21, #24
Remove all KVCMapping and attributes infos from concrete classes, now that it's in the json.

fixes #24
Add missing Vlille.coredata file
Rename City parsing classes
Remove now-useless city classes
stations validation : authorize if it's 1.5 x farther than the limits
Fix JSON cities with no keypath
Fix individual station updates in app
Deactivate VéloToulouse, since the webservice is down.
User real city regions in Cities.json