Interdomain component:

- AbstractDevice: Improved formatting in method to_json()
- AbstractDevice: Activated addition of devices to interdomain topology
- AbstractDevice: Corrected default topology for abstract device endpoints
- AbstractLink: Improved formatting in method to_json()
- AbstractLink: Activated addition of links to interdomain topology
- AbstractLink: Updated internal data structures
- TopologyAbstractor: Enhanced log and exception messages
- TopologyAbstractor: Resolved variable obfuscation
- TopologyAbstractor: Minor cosmetic changes
- TopologyAbstractor: Enhanced inference of abstract links in device events