RAD-355 Turn unclaim into voidRadiologyReport
* rename unclaimRadiologyReport to voidRadiologyReport
* add liquibase changeset
* adapt hibernate mapping file
* adapt xml test datasets and demo-data.sql
* add messages properties entries and use them in APIException
* add try/catch to controller of voidRadiologyReport
* create tests of controller for redirect/not redirect and session attribute
* remove radiology report status DISCONTINUED, thus from service/dao/rest layers
* remove unused getRadiologyReportsByRadiologyOrderAndRadiologyReportStatus
* adapt SearchCriteria
* adapt REST
* add voided property to RadiologyReportResource
* adapt UI report list filter
* add voidReason to radiologyReportForm and handle its validity in controller
* add VoidRadiologyReportRequest with Validator to ensure voidReason isnt empty
* exclude voided reports hasRadiologyOrderClaimedReport
