ClickTravel/Cheddar — pull request #27 by clicktravel-steffan (2014-10-28 17:11:23+00:00)
Title: FC-82 Allow retries when write to database fails due to optimistic locking

Added OptimisticLockException which is thrown if optimistic lock fails i.e. condition check on 'version' attribute is violated

Signed-off-by: Steffan Westcott