Fixed issue 24: Check for django-mailer by using Django's app cache instead of simple imports
Fixed issue 24: Check for django-mailer by using Django's app cache instead of simple imports

git-svn-id: 38cadd75f975b647b4706a932fbe830834f843ff@126 590c3fc9-4838-0410-bb95-17a0c9b37ca9

daonb/django-notification,brosner/django-notification,arctelix/django-notification-automated