Added assignable to migration script and entities
Added inheritance type and set nullable for alias to false to assignable entity
Added person to migration script and entities
Added discriminator type and discriminator values
Added team to migration script and entities
Added many-to-many join entity membership (assignable, team) to migration script and entities
Updated membership to use surrogate key (instead of composite key)
Regenerated entity files from schema
Redid membership association
Added story and product to migration script and entities
Added release, sprint and backlog item to migration script
Added nullable property to column annotations
Added release, sprint and backlog item to migration scripts and entities
Removed unnecessary persistence.xml
Added sprint backlog item and release backlog item to migration scripts and entities
Added reference to owning story in backlog item entity
Added release to RBI and sprint to SBI associations
Added task to migration script and entities
Added entry to migration scripts and entities
Added task assignment and entry assignment associations to migration script and entities