Initial PR for keyvault preview CLI extension#137

Closed

schaabs wants to merge 3 commits intoAzure:masterfrom

schaabs:keyvault_preview

Commits on Apr 19, 2018

initial extension commit (rebased previous commits)
schaabs
committed
fixed generated block comments in update_extension.py, regenerated extension code
schaabs
committed
fix to preserve # coding= headers at thie begining of file, regenerated extension code
schaabs
committed