* added azure command
* minor
* merge
* readme updated & minor fixes
* replaced string interpolation with fstrings for backwards compatibility
* resolved PR review comments
* minor
* resolved comments. Added sku & RG location options
* resolved comments, before testing in container
* StringIO in 2.7.14 works fine
* linux Popen refactoring
* IoT Hub creation: progress output from az cli removed & converted non existing resources to info
* minor text and color updates
* F1 -> S1 prompting
* refactored F1 -> S1 prompt
* is_posix fix
* refactored envvars in AzureCli