fixing links in tasks

rowers/views/paymentviews.py

@@ -11,11 +11,7 @@ from rowers import credits
 
 @csrf_exempt
 def braintree_webhook_view(request):
-    with open('braintreewebhooks.log', 'a') as f:
-        t = time.localtime()
-        timestamp = time.strftime('%b-%d-%Y_%H%M', t)
-        f.write('\n')
-        f.write(timestamp+' /rowers/braintree/\n')
+    dologging('braintreewebhooks.log',' /rowers/braintree/')
     if request.method == 'POST':
         result = braintreestuff.webhook(request)
         if result == 4:  # pragma: no cover