Initial re-factoring of thing concept without config admin.

Signed-off-by: Dennis Nobel <d.nobel@external.telekom.de>
Merge branch 'master' of https://github.com/qivicon/smarthome

Conflicts:
	binding/org.eclipse.smarthome.binding.hue/src/main/java/org/eclipse/smarthome/binding/hue/internal/handler/HueLightHandler.java
	binding/org.eclipse.smarthome.binding.hue/src/main/java/org/eclipse/smarthome/binding/hue/internal/setup/BaseHueSetupStepHandler.java
	binding/org.eclipse.smarthome.binding.hue/src/main/java/org/eclipse/smarthome/binding/hue/internal/setup/discovery/bulb/HueLightDiscoveryService.java