Migrate to new Wikidata importer (#735)

* Use _resolve_wikidata in layer mapping.yaml

Mark all tables that should not be populated with the Wikidata
international labels with a special OMT-specific flag.

This should be ok to merge even before the new tools version
is used because imposm seems to ignore anything it doesn't understand.

The next tools version will remove it when generating imposm mapping file.

* Migrate to new Wikidata importer

Uses latest tools to populate the wd_names table
during the quickstart.  This can be merged already,
or we can wait for the next tools version.

docker-compose.yml

@@ -78,16 +78,18 @@ services:
     volumes:
       - .:/tileset
       - ./build:/sql
-  import-wikidata:
-    image: "openmaptiles/import-wikidata:${TOOLS_VERSION}"
+  openmaptiles-tools:
+    image: "openmaptiles/openmaptiles-tools:${TOOLS_VERSION}"
     env_file: .env
-    command: import-wikidata
     networks:
       - postgres_conn
     volumes:
-      - ./wikidata:/import
-  openmaptiles-tools:
-    image: "openmaptiles/openmaptiles-tools:${TOOLS_VERSION}"
+      - .:/tileset
+      - ./build:/sql
+  openmaptiles-tools-latest:
+    # This target exists for experimental tools that have not yet been published.
+    # Do not use this for production.
+    image: "openmaptiles/openmaptiles-tools:latest"
     env_file: .env
     networks:
       - postgres_conn