Openwisp-radius

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Changes
~~~~~~~

- Increased openwisp-users and openwisp-utils versions to be consistent
with the `OpenWISP 2020-12 release

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Features
~~~~~~~~

- Changing the phone number via the API now keeps track of previous phone
numbers used by the user to comply with ISP legal requirements

Changes
~~~~~~~

- Obtain Auth Token View API endpoint: added ``is_active`` attribute to
response
- Obtain Auth Token View API endpoint: if the user attempting to
authenticate is inactive, the API will return HTTP status code 401 along
with the auth token and ``is_active`` attribute
- Validate Auth Token View API endpoint: added ``is_active``,
``phone_number`` and ``email`` to response data
- When changing phone number, user is flagged as inactive only after the
phone token is created and sent successfully
- All API endpoints related to phone token and SMS sending are now
disabled (return 403 HTTP response) if SMS verification not enabled at
organization level

Bugfixes
~~~~~~~~

- Removed ``static()`` call from media assets
- Fixed password reset for inactive users
- Fixed default password reset URL value and added docs
- Documentation: fixed several broken internal links

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- administration web interface
- support for freeradius 3.0
- multi-tenancy
- REST API
- integration with rlm_rest module of freeradius
- possibility of registering new users via API
- social login support
- mobile phone verification via SMS tokens
- possibility to import users from CSV files
- possibility to generate users for events
- management commands and/or celery tasks to perform clean up operations
and periodic tasks
- possibility to extend the base classes and swap models to add custom
functionality without changing the core code