In Webhooks, label HTTP response codes as "HTTP Status Code", not "HTTP Error"

Summary: See PHI1068. We currently show "HTTP Error - 200", which is misleading. Instead, label these results as "HTTP Status Code".

Test Plan: {F6206016}

Reviewers: amckinley

Reviewed By: amckinley

Differential Revision: https://secure.phabricator.com/D20148

src/applications/herald/storage/HeraldWebhookRequest.php

@@ -120,7 +120,7 @@ final class HeraldWebhookRequest
   public function getErrorTypeForDisplay() {
     $map = array(
       self::ERRORTYPE_HOOK => pht('Hook Error'),
-      self::ERRORTYPE_HTTP => pht('HTTP Error'),
+      self::ERRORTYPE_HTTP => pht('HTTP Status Code'),
       self::ERRORTYPE_TIMEOUT => pht('Request Timeout'),
     );