Support for deleting, updating applications deployed via SageMaker (m…

…lflow#145)

* initial version. need to test

* changes from offline discussion

* follow param convention hyphen

* Add support for deleting endpoints

* Support endpoint updates

* Update support

* Fixes

* Revert version change

* Address comments

* Use pagination when listing endpoints

* Import, formatting fixes

* Change mlflow-serve prefix to mfs to shorten resource names

* Update CLI interfaces, add delete CLI

* CLI fixes

* Use UUID instead of timestamp for resource identifier

* Lint fixes

* Address comments

* fixes

* Address comments

* Remove datetime import

* Fix lint error

* Default env support

* Fixes for Py3 compatibility

* Fix import ordering

* Revert "Default env support"

This reverts commit 0443e22.

* Linter fixes

* Use autopep to format

* Fix whitespace

* Remove comma

* ws fix

* Add newline to file end

* Revert "Add newline to file end"

This reverts commit 5b36b43.

* Add newline

* Production variant fix