Django-netjsonconfig

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- `41 <https://github.com/openwisp/django-netjsonconfig/issues/41>`_:
[admin] Added full screen for advanced mode, thanks to `gastonche <https://github.com/gastonche>`_

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- `75210ad <https://github.com/openwisp/django-netjsonconfig/commit/75210ad>`_:
[base_admin] Do not pass empty strings to relations in preview
- `c31d9c5 <https://github.com/openwisp/django-netjsonconfig/commit/c31d9c5>`_:
[admin-theme] Added title tag to temporary frontend

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- `23 <https://github.com/openwisp/django-netjsonconfig/issues/23>`_:
[admin] Improved advanced editing mode

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- `ca975b8 <https://github.com/openwisp/django-netjsonconfig/commit/ca975b8>`_:
[AbstractConfigForm] Made ``clean_templates`` more generic
- `8fa29c0 <https://github.com/openwisp/django-netjsonconfig/commit/8fa29c0>`_:
[settings] Added LEDE in ``OpenWrt`` backend label
- `32 <https://github.com/openwisp/django-netjsonconfig/pull/32>`_:
[admin] Made text "Choose items and order by drag & drop." more evident
- `65a2458 <https://github.com/openwisp/django-netjsonconfig/commit/65a2458>`_:
[models] Fixed a grammar error in templates ``help_text``
- [admin] Improved representation of config-template relationships
(eg: when deleting a configuration)

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- `6ddc95f <https://github.com/openwisp/django-netjsonconfig/commit/6ddc95f>`_:
[admin] Added links to netjsonconfig docs

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- `f16768d <https://github.com/openwisp/django-netjsonconfig/commit/f16768d>`_:
[data-migration] Update ``resolv-retry`` value for ``OpenVpn`` backend
- `96f4d09 <https://github.com/openwisp/django-netjsonconfig/commit/96f4d09>`_:
[models] Improved ``Config.templates.through __str__`` representation
- `066fe2a <https://github.com/openwisp/django-netjsonconfig/commit/066fe2a>`_:
[TemplatesVpnMixin] Added ``get_default_templates`` method
(allow easier extension by third party apps)
- `59e2f9d <https://github.com/openwisp/django-netjsonconfig/commit/59e2f9d>`_:
[models] Differentiate backends when getting default templates
- `13fc0a5 <https://github.com/openwisp/django-netjsonconfig/commit/13fc0a5>`_:
[controller] Refactored ``forbid_unallowed``, added ``invalid_response``
(allow easier extension by third party apps)
- `6ea9764 <https://github.com/openwisp/django-netjsonconfig/commit/6ea9764>`_:
[controller] Refactored ``BaseRegisterView`` (allow easier extension by third party apps)
- `7b783f0 <https://github.com/openwisp/django-netjsonconfig/commit/7b783f0>`_:
[controller] Added ``get_controller_urls`` (reduce boiler plate in third party apps)
- `0417ce7 <https://github.com/openwisp/django-netjsonconfig/commit/0417ce7>`_:
[requirements] Set minimum ``netjsonconfig`` version to **0.5.4**
- `172a92a <https://github.com/openwisp/django-netjsonconfig/commit/172a92a>`_:
[backends] Made ``OpenWisp`` backend label more self-explanatory (**OpenWISP Firmware 1.x**)
- `1daa855 <https://github.com/openwisp/django-netjsonconfig/commit/1daa855>`_:
[docs] Added documentation for ``get_controller_urls``