Use APT repository instead of Azure Storage blob container & update docs (#1011)
Use APT repository instead of Azure Storage blob container & update docs (#1011)

* Use APT repository instead of Azure Storage blob container & update docs.

- Also, I've added the '$ sudo apt-get install apt-transport-https' though on Ubuntu it should come already installed and you'd just get 'apt-transport-https is already the newest version.'.

* Indicate that the package works just as well on Ubuntu

samedder/azure-cli,yugangw-msft/azure-cli,QingChenmsft/azure-cli,yugangw-msft/azure-cli,samedder/azure-cli,samedder/azure-cli,yugangw-msft/azure-cli,QingChenmsft/azure-cli,QingChenmsft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,QingChenmsft/azure-cli,samedder/azure-cli