--------------------------
- `cb7366 <https://github.com/openwisp/openwisp-network-topology/commit/cb7366>`_:
[migrations] Added a migration file for link_status_changed and openvpn_parser
- `22 <https://github.com/openwisp/openwisp-network-topology/pull/22>`_:
Added support to django 2.0
- `d40032 <https://github.com/openwisp/openwisp-network-topology/commit/d40032>`_:
[qa] Fixed variable name error
- `de45b6 <https://github.com/openwisp/openwisp-network-topology/commit/de45b6>`_:
Upgraded code according to latest django-netjsongraph 0.4.0 changes
- `17 <https://github.com/openwisp/openwisp-network-topology/pull/17>`_:
Integrated topology history feature from django-netjsongraph