- Converted load_gen tool into a microservice
- Added simple WebUI page to manage it
- Created manifests, Dockerfile, etc.
- Created proto file to manage the load generator

- added support for microwave services
- removed DLT from default list of components
- added support to re-use endpoints in a single device for multiple connections

- added support to record load-gen operations in DLT to take performance evaluation metrics
- improved mixed request support

- added support to request slices

- updated default config
- fixed issue with compatible dst endpoint selection

- added support for L3NM and TAPI services

- created new load generator tool to stress TeraFlowSDN
- added descriptor file to populate topologies
- added helper script to run it