RAD-172 Clean radiology_report db
update the database radiology_report
* column radiology_report_id
** rename to report_id
* column order_id
** add not null constraint (a report must not exist without order)
* column report_status
** shrink size to max enum of RadiologyReportStatus which is DISCONTINUED -> 12
** add not null constraint
* column principalResultsInterpreter_id
** rename to principal_results_interpreter
* column creator
** add not null constraint, defauts to '0'
* column creationDate
** rename to date_created
** convert type to datetime
** add not null constraint
* rename foreign key constraints to "tablename_columname_fk"
* remove setting dateCreated in RadiologyReport constructor since its
done by AuditableInterceptor
