add first approach

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

...urce/java/ch/systemsx/cisd/bds/AbstractDataStructure.java

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

.../java/ch/systemsx/cisd/bds/AbstractDataStructureV1_0.java

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

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

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

...urce/java/ch/systemsx/cisd/bds/IDataStructureFactory.java

bds/source/java/ch/systemsx/cisd/bds/IDataStructureV1_0.java

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

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

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

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

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

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

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

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

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

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

bds/source/java/ch/systemsx/cisd/bds/fs/AbstractNode.java