FIXED some missing attributes in the configuration.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>
REFACTORED and FIXED constant naming.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>
Merge remote-tracking branch 'qivicon.smarthome/xml-processing-contribution-final' into config-discovery-dev

Signed-off-by: Alex Tugarev <telekom@tugarev.de>