Nsot

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+ Added documentation for set queries for both how they work and for how to use
them.
+ Fixed a typo in Docker readme
+ Added an entry-point for ``snot-server`` because reasons

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* Filtering of Interfaces by ``mac_address`` can now be done using either the
string (e.g. ``'00:00:00:00:00:01'``) or integer (e.g. ``1``)
representations.

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* Fixed a bug that would cause set queries lookups of attributes values
containing spaces to always fail. When performing a set queries for an
``attribute=value`` pair, if a value contains a space, it must be quoted, and
it will be properly parsed.
* When performing a set query for an attribute that does not exist, an error is
raised.
* When performing a set query, if no attribute pairs are found, an empty set is
returned.
* Docs: Fixed a typo in data model doc
* Docs: Fixed incorrect year for a bunch of entries in changelog

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* **BACKWARDS INCOMPATIBLE** - API version 1.0 is now the global default.
* Fix 167 - Web UI has been updated to use API v1.0
* Ripped out all pre-v1 code.
* Updated the browsable API renderer to not display "filter forms", so
that browsable API views with tons of results and related fields don't
deadlock.

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* Finally added a login screen to the web UI.
* Fixes 130 - Redirect to login screen if a 401 is detected
* This adds HTTP interceptor for 401 responses that will redirect to the
DRF API login web screen.
* Also skinned the default DRF login screen to match the NSoT theme.
* Stopgap fix in ``services.js`` to check for ``response.status``. This will
have to be adjusted as a part of the API version 1.0 migration, along
with all of the other JS code.

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* Fix 168 - Fix a 500 when assigning address that is in multiple sites