Azure DevOps CLI extension for Azure CLI 0.2.0

• Commands to manage teams
  Explore it using az devops team -h

• az devops logout command is now more powerful
  az devops logout will clear credentials for all organizations.
  az devops logout --org will clear credentials for organization passed in org only.

• This is getting shipped from master branch which is the default branch on this repo
  https://github.com/Microsoft/azure-devops-cli-extension