Added thing factory.

Signed-off-by: Dennis Nobel <d.nobel@external.telekom.de>

Conflicts:
	binding/org.eclipse.smarthome.binding.hue/src/main/java/org/eclipse/smarthome/binding/hue/internal/factory/HueThingHandlerFactory.java
Adapted ThingFactory to new ChannelUID.

Signed-off-by: Dennis Nobel <d.nobel@external.telekom.de>