Add missing license header.
Define empty actionset implementation for VLANBridgeActionSet.
Complete VLANBridgeActionSet definition (implementation is still empty)
Merge branch 'develop' into feature/vlan-bridge-api

Conflicts:
	extensions/bundles/router.actionsets.junos/src/main/resources/OSGI-INF/blueprint/core.xml

Conflicts solved manually
Merge pull request #880 from isartcanyameres/feature/vlan-bridge-api

Feature/vlan bridge api with empty actionset