[LMS-551] add: - 'ExperimentIdentifierWithUUID'.

bds/source/java/ch/systemsx/cisd/bds/Constants.java

bds/source/java/ch/systemsx/cisd/bds/DataSet.java

bds/source/java/ch/systemsx/cisd/bds/DataStructureV1_0.java

bds/source/java/ch/systemsx/cisd/bds/DataStructureV1_1.java

...ource/java/ch/systemsx/cisd/bds/ExperimentIdentifier.java

...va/ch/systemsx/cisd/bds/ExperimentIdentifierWithUUID.java

...ch/systemsx/cisd/bds/ExperimentRegistrationTimestamp.java

bds/source/java/ch/systemsx/cisd/bds/SampleWithOwner.java

bds/source/java/ch/systemsx/cisd/bds/Utilities.java

...urce/java/ch/systemsx/cisd/bds/check/AbstractChecker.java

...rce/java/ch/systemsx/cisd/bds/check/StructureChecker.java

.../java/ch/systemsx/cisd/bds/DataSetFileSystemTestCase.java

...Test/java/ch/systemsx/cisd/bds/DataStructureV1_0Test.java

...Test/java/ch/systemsx/cisd/bds/DataStructureV1_1Test.java

...t/java/ch/systemsx/cisd/bds/ExperimentIdentifierTest.java

...h/systemsx/cisd/bds/ExperimentIdentifierWithUUIDTest.java

...ceTest/java/ch/systemsx/cisd/bds/SampleWithOwnerTest.java

...java/ch/systemsx/cisd/bds/check/StructureCheckerTest.java

..._empty_files/metadata/experiment_identifier/instance_uuid

...ds_new_lines/metadata/experiment_identifier/instance_uuid