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* Add ``watchman`` management command
* Exit code of ``0`` if all checks pass, ``1`` otherwise
* Print json stacktrace to ``stderr`` if check fails
* Handles ``--verbosity`` option to print all status checks
* ``-c``, ``--checks``, ``-s``, ``--skips`` options take comma-separated list of python paths to run / skip
* Improve identifiability of emails sent from a django-watchman endpoint
* From: watchmanexample.com
* Subject: django-watchman email check
* Body: This is an automated test of the email system.
* Add ``X-DJANGO-WATCHMAN: True`` custom header
* Add new default check: ``storage`` check
* Checks that files can be both written and read with the current Django storage engine
* Add ``WATCHMAN_ENABLE_PAID_CHECKS`` setting to enable all paid checks without modifying ``WATCHMAN_CHECKS``
* Remove ``email_status`` from default checks
* Refactor ``utils.get_checks`` to allow reuse in management command
* ``get_checks`` now performs the optional check inclusion / skipping
* ``status`` refactored to pull ``check_list`` / ``skip_list`` from GET params and pass them to ``get_checks``
* Namespace cache keys
* Update documentation