Create Network capability skeleton.
Merge branch 'develop' of git://github.com/dana-i2cat/opennaas into develop
From and to are interchangeable in Link.
Change Neighbours descriptors to reflect real map key meaning.
Implement network TopologyDiscoveryCapability.
Correct method annotation.
Throw proper exception in queue method.
Merge pull request #939 from logoff/feature/network_topology

Feature/network topology