ADDED Javadoc.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>
ADDED addingFinished method to an XmlDocumentProvider.
REFACTORED package structure.
ADDED: test main method.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>
ADDED addingFinished method to the provider.
ADDED: test main method.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>
ADDED addingFinished method to an XmlDocumentProvider.
ADDED: test main method.
ADDED mechanism to assign channel-types to a Thing type.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>