updated to new hue binding constant name

Signed-off-by: Kai Kreuzer <k.kreuzer@telekom.de>
Merge branch 'config-setupflow-dev2' into integration-74

Signed-off-by: Kai Kreuzer <k.kreuzer@telekom.de>

Conflicts:
	binding/org.eclipse.smarthome.binding.hue/src/main/java/org/eclipse/smarthome/binding/hue/internal/setup/IpConfigurationSetupStepHandler.java