Create jdom package

The `jdom` package contains modules for working with JDOM documents.

Author: cboehme

src/main/java/org/culturegraph/mf/stream/converter/JDomDocumentToStream.java renamed to src/main/java/org/culturegraph/mf/jdom/JDomDocumentToStream.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.culturegraph.mf.stream.converter;
+package org.culturegraph.mf.jdom;
 
 import org.culturegraph.mf.framework.FluxCommand;
 import org.culturegraph.mf.framework.ObjectPipe;

src/main/java/org/culturegraph/mf/stream/converter/StreamToJDomDocument.java renamed to src/main/java/org/culturegraph/mf/jdom/StreamToJDomDocument.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.culturegraph.mf.stream.converter;
+package org.culturegraph.mf.jdom;
 
 import java.io.IOException;
 import java.util.HashMap;

src/main/resources/flux-commands.properties

@@ -66,8 +66,8 @@ encode-json org.culturegraph.mf.stream.converter.JsonEncoder
 encode-pica org.culturegraph.mf.stream.converter.bib.pica.PicaEncoder
 encode-marc21 org.culturegraph.mf.stream.converter.bib.Marc21Encoder
 
-to-jdom-document org.culturegraph.mf.stream.converter.StreamToJDomDocument
-from-jdom-document org.culturegraph.mf.stream.converter.JDomDocumentToStream
+to-jdom-document org.culturegraph.mf.jdom.StreamToJDomDocument
+from-jdom-document org.culturegraph.mf.jdom.JDomDocumentToStream
 
 write	org.culturegraph.mf.io.ObjectWriter
 write-triples	org.culturegraph.mf.triples.TripleWriter