Django-netjsongraph

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- `62 <https://github.com/netjson/django-netjsongraph/pull/62>`_:
[bug] Fixed bug related to addresses formatting
- `77 <https://github.com/netjson/django-netjsongraph/pull/77>`_:
[admin] Update topology action now ignores topologies with RECEIVE strategy
- `78 <https://github.com/netjson/django-netjsongraph/pull/78>`_:
[feature] Added automatic removal of old nodes with ``NETJSONGRAPH_NODE_EXPIRATION``

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- [requirements] openwisp-utils>=0.2,<0.3

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- `82 <https://github.com/netjson/django-netjsongraph/pull/82>`_:
[ci] Add JSLint
- `81 <https://github.com/netjson/django-netjsongraph/pull/81>`_:
[ci] Add pending migration check
- `75 <https://github.com/netjson/django-netjsongraph/pull/72>`_:
[qa] Added JSLint check
- `73 <https://github.com/netjson/django-netjsongraph/pull/73>`_:
[models] Added link status up/down time
- `115066 <https://github.com/netjson/django-netjsongraph/commit/115066>`_:
Added forgotten migration

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- `72 <https://github.com/netjson/django-netjsongraph/pull/72>`_:
[requirements] Upgrade netdiff to 0.6.0
- `e67286 <https://github.com/netjson/django-netjsongraph/commit/e67286>`_:
[topology] Add labels when creating nodes
- `70 <https://github.com/netjson/django-netjsongraph/pull/70>`_:
Added support to Django 2.0
- `67 <https://github.com/netjson/django-netjsongraph/pull/67>`_:
[QA] Fixed flake8 errors in Travis build
- `64 <https://github.com/netjson/django-netjsongraph/pull/64>`_:
[requirements] Updated rest framework version
- `60 <https://github.com/netjson/django-netjsongraph/pull/60>`_:
[netdiff] Added support to OpenVPN parser
- `53 <https://github.com/netjson/django-netjsongraph/pull/53>`_:
Improved the UI of the way back machine
- `49 <https://github.com/netjson/django-netjsongraph/pull/49>`_:
Added Topology history feature

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- `7ea174 <https://github.com/netjson/django-netjsongraph/commit/7ea174>`_:
Minor simplification in update_all
- `51 <https://github.com/netjson/django-netjsongraph/pull/51>`_:
[templates] Made node template reusable

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- `42 <https://github.com/netjson/django-netjsongraph/pull/42>`_:
Made test-api, topology update function and update command reusable
- `44 <https://github.com/netjson/django-netjsongraph/pull/44>`_:
Made test-utils reusable
- `45 <https://github.com/netjson/django-netjsongraph/pull/45>`_:
Made test-admin reusable
- `e5642c <https://github.com/netjson/django-netjsongraph/commit/e5642c>`_:
[admin] Added search for Topology model
- `48 <https://github.com/netjson/django-netjsongraph/pull/48>`_:
Moved all the reusable tests to tests.base and separated into files