* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* Include change classification data in metadata.
* Add support for disabled tests.
* Add support for unstable tests.
* Add support for unsupported tests.
* Overhaul integration aliases sanity test.
* Update Shippable scripts to handle unstable tests.
* Mark unstable Azure tests.
* Mark unstable Windows tests.
* Mark disabled tests.
* Nuage module and unit tests with requested changes
* Cleanup of imports
* Adding check on python version
* Adding import try and catch wrappers
* Cleanup of requirements and adding integration tests
* Using pypi package for simulator
* Cleanup of requirements and adding integration tests
* Adding aliases for integration tests
* Adding module to import sanity test skip list
* Revert "Adding module to import sanity test skip list"
This reverts commit eab23af8c5.
* Adding check for importlib and cleanup of requirements
