Merge pull request #25 from lukepatrick/v3

Update bitbucket uuid check to allow a non-specified uuid, similar to…

bitbucket/bitbucket.go

@@ -80,11 +80,15 @@ func (hook Webhook) ParsePayload(w http.ResponseWriter, r *http.Request) {
 	}
 	webhooks.DefaultLog.Debug(fmt.Sprintf("X-Hook-UUID:%s", uuid))
 
+	if len(hook.uuid) > 0 {
 		if uuid != hook.uuid {
-		webhooks.DefaultLog.Error(fmt.Sprintf("X-Hook-UUID does not match configured uuid of %s", hook.uuid))
+			webhooks.DefaultLog.Error(fmt.Sprintf("X-Hook-UUID %s does not match configured uuid of %s", uuid, hook.uuid))
 			http.Error(w, "403 Forbidden - X-Hook-UUID does not match", http.StatusForbidden)
 			return
 		}
+	} else {
+		webhooks.DefaultLog.Debug("hook uuid not defined - recommend setting for improved security")
+	}
 
 	event := r.Header.Get("X-Event-Key")
 	if event == "" {