LDEV-3491: Deleting a learning design no longer removes it from the database. Now it flags removed = true. Calls to get the learning designs in the DAO layer ignore rows where removed = true. Cleaned up some methods in the DAO layer that are no longer used.
LDEV-3514: Wrap all transactional methods with TransactionRetryInterceptor. Set number of attempts to 3. Remove previous safety mechanism for completeActivity() method.
LDEV-3514: Wrap all transactional methods with TransactionRetryInterceptor. Set number of attempts to 3. Remove previous safety mechanism for completeActivity() method.
LDEV-3456: Tweaks to support the templating - authoring doesn't require a course id and opening authoring through an integeration needs to be able to open a particular design.