^^^^^^^^^^^^^^^^^^
* fixed gh 8 es_dangerous_reset --es-only to sync database to ES
* fixed gh 17 make es_dangerous_reset remove dem models
* improved test coverage
* added tests for ``es_create --es-only``
* added ``IndexVersion.hard_delete()`` (not called by default)
* added ``hard_delete`` flag to ``DropIndexAction``
* added ``hard_delete`` flag to ``DEMIndexManager.test_post_teardown()``
* updated ``__str__()`` of ``IndexAction`` to be more descriptive