Move origin handling to a separate page

utils/graph-client/queries.js

@@ -2,11 +2,13 @@ import { createQuery } from './utils';
 import {
   eventsQuery,
   eventsAndOriginsQuery,
+  originsQuery,
   addressFromLatLngQuery,
 } from './queryStrings';
 
 /* eslint-disable max-len */
 export const findEvents = variables => createQuery(eventsQuery, variables);
 export const findEventsAndOrigins = variables => createQuery(eventsAndOriginsQuery, variables);
+export const findOrigins = () => createQuery(originsQuery);
 export const fetchAddress = variables => createQuery(addressFromLatLngQuery, variables);
 /* eslint-enable max-len */