L3VLAN capability skeleton.

http://jira.i2cat.net/browse/OPENNAAS-1343
L3VlanCapability methods and actionset.
Activate and deactivate methods from l3vlan capability.
Merge pull request #878 from isartcanyameres/feature/vlan-bridge-api

Feature/vlan bridge api
Merge branch 'develop' of https://github.com/dana-i2cat/opennaas into feature/l3-vlan-capab

Conflicts:
	extensions/bundles/pom.xml
	extensions/bundles/router.features/src/main/resources/features.xml
Moved api model classes.
Add missing method to capability.
Actionset and dummy implementation for l3vlan
Merge pull request #879 from adrian-rosello/feature/l3-vlan-capab

Feature/l3 vlan capab
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