Install optional credentials requirements

ECOM-3778

N.B. This may break docker-based devstacks. Fix TBD.

Fix analyticstack

Update readme to match the current state of things.

Include ORGANIZATIONS_API_URL_ROOT in programs defaults

This setting is used when requesting data from the LMS Organizations API.

restructure notes_api deployment

Remove almost all references to syncdb 🔥🔥🔥

Make check-migrations script exit with proper status on errors

Django 1.8 removed the syncdb command so we can no longer run it, don't
imply that we are running it in documentation/messages, also don't
provide the scripts used on devstack/sandboxes to run it since they'll
never work anyway.

Additionally - remove yet another openid workaround which is unnecesary
since the Django 1.8 upgrade.

add config for jwt auth feature flag

DEVOPS-3685 ensure tools gets the same version the mongo play installs

While fixing a downgrade from 3 -> 2 on tools, ensure this role uses the
same version the mongo_3 play uses.

OPS-1327 Allow User to specify the lifetime of the sandbox when creating

Add config for SUPPORT_URL

Max/small fixes

The "connection: local" option prevented us from running the playbook on
another host (e.g. an app server) which gets around security
restrictions on connecting to DB servers. Also, the option is totally
unnecessary. There's no reason this play couldn't run remotely.

Set better defaults for LMS_BASE, CMS_BASE

cf. https://github.com/edx/configuration/pull/2753#discussion_r52667259

This AMI includes the fix to not clobber db perms

Fix CI by appending privileges

New AMI

remove the fail logic and add the informational message

Having an empty CMS_BASE variable causes the "View Unit in Studio" button on the LMS
to not work properly. These are better defaults.