Address feedback from pull request Azure#3874 upstream github#61

Merged

praveen-li merged 3 commits intozhenggen-xu:sonic-cfg-mgmtfrom li-pingmao:sonic-cfg-new

May 1, 2020

+192-323

Commits on Mar 22, 2020

Address feedback from pull request Azure#3874 upstream github
li-pingmao
committed

Commits on Mar 23, 2020

Update function calls after libyang PLY APIs updates
li-pingmao
committed

Commits on Apr 24, 2020

Fix test cases after sample yang files name changes
li-pingmao
committed