Merge branch 'master-into-develop2' into 'master'

cmd/request.go

cmd/requestAll.go

cmd/root.go

cmd/set.go

cmd/subscribe.go

cmd/target.go

cmd/util.go

cmd/ygot.go

config/config.go

config/config_test.go

configs/.gitkeep

controller.go

controller_test.go

database/client.go

documentation/README.md

documentation/figures/.gitkeep

documentation/figures/goSDN-Architecture-Overall.drawio

...tion/figures/goSDN-Architecture-sbi-concept-detail.drawio

documentation/manual

documentation/minutes/2020-09-14-minutes.md