Merge branch 'geospatial' into 'master'

...fixtures/vcr_cassettes/geospatial/google_maps/search.json

.../fixtures/vcr_cassettes/geospatial/map_quest/geocode.json

test/fixtures/vcr_cassettes/geospatial/map_quest/search.json

.../fixtures/vcr_cassettes/geospatial/nominatim/geocode.json

test/fixtures/vcr_cassettes/geospatial/nominatim/search.json

test/fixtures/vcr_cassettes/geospatial/photon/geocode.json

test/fixtures/vcr_cassettes/geospatial/photon/search.json

test/mobilizon/service/geospatial/addok_test.exs

test/mobilizon/service/geospatial/geospatial_test.exs

test/mobilizon/service/geospatial/google_maps_test.exs

test/mobilizon/service/geospatial/map_quest_test.exs

test/mobilizon/service/geospatial/nominatim_test.exs

test/mobilizon/service/geospatial/photon_test.exs

test/mobilizon_web/resolvers/address_resolver_test.exs

test/support/factory.ex

test/support/mocks/geospatial_mock.ex