Small adjustments due to findings after writing tests

Signed-off-by: Oliver Libutzki <o.libutzki@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/HueBinding.java


Signed-off-by: Oliver Libutzki <o.libutzki@external.telekom.de>