[setup.py]: Build infrastructure files for sonic_yang_mgmt Package.#6

Merged

zhenggen-xu merged 3 commits intozhenggen-xu:sonic-cfg-mgmtfrom praveen-li:build_sonic_yang

Nov 5, 2019

+190

Commits on Oct 28, 2019

[setup.py]: Build infrastructure files for sonic_yang_mgmt Package.
Praveen Chaudhary
committed

Commits on Oct 30, 2019

[sonic-slave-stretch]: Add a package ijson for sonic_yang_mgmt build.
Praveen Chaudhary
committed

Commits on Nov 4, 2019

[setup.py]: Updating libyang versions.
Praveen Chaudhary
committed