Adding support for creating and deleting affinity groups
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools-xplat into dev-affinity-group-commands
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools-xplat into dev-affinity-group-commands
Merge pull request #268 from fkjellberg/dev-affinity-group-commands

Adding support for creating and deleting affinity groups