Introduction of bridge configuration metadata for hue
First implementation of greating a generic setup flow

Signed-off-by: Oliver Libutzki <o.libutzki@external.telekom.de>
Merge branch 'master' of https://github.com/qivicon/smarthome

Conflicts:
	bundles/config/org.eclipse.smarthome.config.setup/src/main/java/org/eclipse/smarthome/config/setup/internal/SetupFlowManagerImpl.java

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