- add is alive function

...uropa/ec/edelivery/smp/conversion/ExtensionConverter.java

...pa/ec/edelivery/smp/conversion/ServiceGroupConverter.java

...ec/edelivery/smp/conversion/ServiceMetadataConverter.java

...ain/java/eu/europa/ec/edelivery/smp/data/dao/BaseDao.java

.../europa/ec/edelivery/smp/data/dao/ServiceMetadataDao.java

...ain/java/eu/europa/ec/edelivery/smp/data/dao/UserDao.java

...ava/eu/europa/ec/edelivery/smp/data/model/BaseEntity.java

.../java/eu/europa/ec/edelivery/smp/data/model/DBDomain.java

...opa/ec/edelivery/smp/data/model/DBServiceGroupDomain.java

...europa/ec/edelivery/smp/data/model/DBServiceMetadata.java

...in/java/eu/europa/ec/edelivery/smp/data/model/DBUser.java

...ain/java/eu/europa/ec/edelivery/smp/data/ui/DomainRO.java

...va/eu/europa/ec/edelivery/smp/data/ui/ServiceGroupRO.java

...eu/europa/ec/edelivery/smp/data/ui/ServiceMetadataRO.java

...va/eu/europa/ec/edelivery/smp/logging/SMPMessageCode.java

...va/eu/europa/ec/edelivery/smp/services/DomainService.java

...opa/ec/edelivery/smp/services/ServiceMetadataService.java

...ropa/ec/edelivery/smp/services/ServiceMetadataSigner.java

.../europa/ec/edelivery/smp/services/ui/UIDomainService.java

...eu/europa/ec/edelivery/smp/services/ui/UIServiceBase.java