Adding basic exemption
Add New settings to the env config.
Merge pull request #1609 from edx/e0d/notifier-vhost

Adding basic exemption
Correct the name of the ansible vars.
Merge pull request #1610 from edx/feanil/social_footer

Add New settings to the env config.
Create course data dir
Merge pull request #1611 from edx/create-course-data-dir

Create course data dir
Cluster all to one machine.

Alsa, add connection logging to rabbitmq.
Get rid of commented task.
Merge pull request #1608 from edx/feanil/common_cluster_updates

Feanil/common cluster updates
Clean up based on TODO.
Merge pull request #1615 from edx/feanil/env_update

Clean up based on TODO.
Set none as the default.

No one will have access to the fake default bucket causing
things to break if it isn't overridden.
Merge pull request #1616 from edx/feanil/xbfs_update

Set none as the default.