SSDM-3907: Introduce scaffolding of new ftp server infrastructure

...cisd/openbis/dss/generic/server/cifs/DataSetCifsView.java

...isd/openbis/dss/generic/server/ftp/DSSFileSystemView.java

...penbis/dss/generic/server/ftp/FtpPathResolverContext.java

...stemsx/cisd/openbis/dss/generic/server/ftp/FtpServer.java

.../dss/generic/server/ftp/v3/V3ExperimentLevelResolver.java

.../dss/generic/server/ftp/v3/V3FtpPathResolverRegistry.java

.../generic/server/ftp/v3/V3HierarchicalContentResolver.java

...bis/dss/generic/server/ftp/v3/V3ProjectLevelResolver.java

...sx/cisd/openbis/dss/generic/server/ftp/v3/V3Resolver.java

...penbis/dss/generic/server/ftp/v3/V3RootLevelResolver.java

...enbis/dss/generic/server/ftp/v3/V3SpaceLevelResolver.java

datastore_server/source/java/dssApplicationContext.xml

...openbis/dss/generic/server/ftp/DSSFileSystemViewTest.java

...tp/resolver/TemplateBasedDataSetResourceResolverTest.java