Multilinguality (#279)

Improve multilinguality: names in 57 languages, name:latin, name:nonlatin, name_int. Fixes #211 #252 #80.

See #279 for more info.

layers/water_name/water_point.sql

@@ -8,7 +8,7 @@ DROP MATERIALIZED VIEW IF EXISTS  osm_water_point CASCADE;
 CREATE MATERIALIZED VIEW osm_water_point AS (
     SELECT
         wp.osm_id, ST_PointOnSurface(wp.geometry) AS geometry,
-        wp.name, wp.name_en, wp.name_de, ST_Area(wp.geometry) AS area
+        wp.name, wp.name_en, wp.name_de, wp.tags, ST_Area(wp.geometry) AS area
     FROM osm_water_polygon AS wp
     LEFT JOIN lake_centerline ll ON wp.osm_id = ll.osm_id
     WHERE ll.osm_id IS NULL AND wp.name <> ''