Publish curated GeoIntel source snapshot

tests/fixtures/geojson/reference_buildings.geojson

@@ -0,0 +1,7 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+    {"type":"Feature","properties":{"id":"ref_1","class":"building"},"geometry":{"type":"Polygon","coordinates":[[[5.001,51.001],[5.003,51.001],[5.003,51.003],[5.001,51.003],[5.001,51.001]]]}},
+    {"type":"Feature","properties":{"id":"ref_2","class":"building"},"geometry":{"type":"Polygon","coordinates":[[[5.006,51.006],[5.008,51.006],[5.008,51.008],[5.006,51.008],[5.006,51.006]]]}}
+  ]
+}