Remove dependency on django-mailer

Nothing is using it, so there's no need to install and configure it.

Change-Id: I11d34b965606d7660d812202c79b65c07b4f41d3
Signed-off-by: Julien Danjou <julien.danjou@enovance.com>

horizon/buildout.cfg

@@ -30,7 +30,6 @@ pycrypto = 2.3
 recipe = zc.recipe.egg
 eggs =
     python-dateutil
-    django-mailer
     httplib2
     python-cloudfiles
     coverage

horizon/horizon/tests/testsettings.py

@@ -37,8 +37,7 @@ INSTALLED_APPS = (
     'horizon.tests',
     'horizon.dashboards.nova',
     'horizon.dashboards.syspanel',
-    'horizon.dashboards.settings',
-    'mailer')
+    'horizon.dashboards.settings')
 
 MIDDLEWARE_CLASSES = (
     'django.middleware.common.CommonMiddleware',
@@ -85,10 +84,7 @@ NOSE_ARGS = ['--nocapture',
 # For nose-selenium integration
 LIVE_SERVER_PORT = 8000
 
-# django-mailer uses a different config attribute
-# even though it just wraps django.core.mail
-MAILER_EMAIL_BACKEND = 'django.core.mail.backends.locmem.EmailBackend'
-EMAIL_BACKEND = MAILER_EMAIL_BACKEND
+EMAIL_BACKEND = 'django.core.mail.backends.locmem.EmailBackend'
 SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
 
 HORIZON_CONFIG = {

openstack-dashboard/dashboard/settings.py

@@ -91,7 +91,6 @@ INSTALLED_APPS = (
     'horizon.dashboards.nova',
     'horizon.dashboards.syspanel',
     'horizon.dashboards.settings',
-    'mailer',
 )
 
 TEST_RUNNER = 'django_nose.NoseTestSuiteRunner'

openstack-dashboard/local/local_settings.py.example

@@ -21,9 +21,6 @@ EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
 # Or send them to /dev/null
 #EMAIL_BACKEND = 'django.core.mail.backends.dummy.EmailBackend'
 
-# django-mailer uses a different settings attribute
-MAILER_EMAIL_BACKEND = EMAIL_BACKEND
-
 # Configure these for your outgoing email host
 # EMAIL_HOST = 'smtp.my-company.com'
 # EMAIL_PORT = 25

openstack-dashboard/tools/pip-requires

@@ -1,7 +1,6 @@
 coverage
 CherryPy
 Django==1.3
-django-mailer
 django-nose==0.1.2
 django-nose-selenium
 django-registration==0.7