improved html tag stripping

rowers/tasks.py

@@ -40,6 +40,7 @@ from django.utils import timezone
 from django.utils.html import strip_tags
 
 from utils import deserialize_list,ewmovingaverage,wavg
+from emails import htmlstrip
 
 from HTMLParser import HTMLParser
 class MLStripper(HTMLParser):
@@ -819,7 +820,7 @@ def handle_send_disqualification_email(
         'username':username,
         'reason':reason,
         'siteurl':siteurl,
-        'message': strip_tags(message),
+        'message': htmlstrip(message),
         'racename':racename,
         }