Django-netjsonconfig

---------------------------

- Dropped support for python 2 & python<3.6
- Dropped support for django<2.2
- Added support for django 3.0
- Moved from jsonfield to jsonfield2
- Added support for django-taggit<1.3.0 and dropped django-taggit<0.23.0
- Dropped support for django-model-utils<4.0, netjsonconfig<0.7.0, django-sortedm2m<3.0.0, django-x509<0.6

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- [feature] Added management IP feature
- [change] Changed configuration status: ``running`` has been renamed to ``applied``
- [admin] Added ``NETJSONCONFIG_MANAGEMENT_IP_DEVICE_LIST`` setting
- [admin] Added ``NETJSONCONFIG_BACKEND_DEVICE_LIST`` setting
- [x509] Fixed common_name redundancy
- [admin] Hidden "Download Configuration" button when no config is available
- [controller] Register view now updates device details
- [deps] Added support for Django 2.1 and Django 2.2
- [models] Added support for hardware ID / serial number
- [device] Add context field to device
- [bugfix] Show error when the preview is experiencing issues
- [ux] Group device change form in tabs
- [ux] Show loading indicator while loading preview
- [vpn] Add controller views (download & checksum) for VPN config
- [vpn] Fixed DH params in preview 107
- [change] Moved urls to admin namespace
- [feature] Implement copy/clone templates
- [feature] Added API to get context of device
- [bugfix] Ensure atomicity of transactions with database during auto-registration

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- `88ad549 <https://github.com/openwisp/django-netjsonconfig/commit/88ad549>`_:
[controller] Avoid failure if device exists but not config
- `1fca275 <https://github.com/openwisp/django-netjsonconfig/commit/1fca275>`_:
[vpn] Ensure ca_path does not contain spaces
- `dbab6ca <https://github.com/openwisp/django-netjsonconfig/commit/dbab6ca>`_:
[vpn] Added auto VPN client template generation hint
- `73 <https://github.com/openwisp/django-netjsonconfig/pull/73>`_:
[docs] Improved instructions on how to extend and reuse the app
(thanks to `redhog <https://github.com/redhog>`_)
- `550eb52 <https://github.com/openwisp/django-netjsonconfig/commit/550eb52>`_:
[models] Added config_modified signal
- `d1172e7 <https://github.com/openwisp/django-netjsonconfig/commit/d1172e7>`_:
[cleanup] Removed obsolete TimeStampedEditableAdmin
- `f6bd09e <https://github.com/openwisp/django-netjsonconfig/commit/f6bd09e>`_:
[admin] Added forgotten notes field to Device edit page
- `74 <https://github.com/openwisp/django-netjsonconfig/pull/74>`_:
[js] Generalized json-widget to handle non-config fields
(thanks to `redhog <https://github.com/redhog>`_)

--------------------------

- `62 <https://github.com/openwisp/django-netjsonconfig/issues/62>`_:
[models] Added a name validator to ``Device.name``
- `68 <https://github.com/openwisp/django-netjsonconfig/issues/68>`_:
Added support for django 2.0

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- `a8925dc <https://github.com/openwisp/django-netjsonconfig/commit/a8925dc>`_:
[models] Added ``_auto_create_cert_extra`` method to ``AbstractVpnClient``

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- `f3bbbbe <https://github.com/openwisp/django-netjsonconfig/commit/f3bbbbe>`_:
[admin] Avoid duplicated query generated by ConfigInline
- `367ffc1 <https://github.com/openwisp/django-netjsonconfig/commit/367ffc1>`_:
Upgraded to django-x509 0.3.0