Add timeout to wikipedia enrichment to avoid breaking rate limits, add mock enrichment (#224)

* Add timeout for enrichment, refactor json deserialization

* Add location count to application options and as a cli arg

* Add mock enrichment process

tooling/pipeline/includes/web_client/http_web_client.h

@@ -42,7 +42,7 @@ public:
    * @param value Raw string to encode.
    * @return Percent-encoded string safe for use in a URL.
    */
-  std::string UrlEncode(const std::string& value) override;
+  std::string EncodeURL(const std::string& value) override;
 };