Cleaning.
Merge branch 'feature/leaflet' of github.com:CIRB/django-fixmystreet into feature/leaflet

# By Jonathan Sanchez Pando
# Via Jonathan Sanchez Pando
* 'feature/leaflet' of github.com:CIRB/django-fixmystreet:
  rename some stuff FMS-254
  move map view to map-view.js FMS-254
Improvement.
Force param to be a L.LatLng.
Add an "on resize" handler to demonstrate that it works.
Add a control to filter based on incident types.