Merge branch 'develop'

Fixes netbox-community#199: Moved prefix_validator from BaseIPField t…

…o IPNetworkField

Merge pull request netbox-community#153 from digitalocean/develop

Release v1.0.7

Merge pull request netbox-community#119 from bellwood/lets-encrypt-ng…

…inx-ssl

Update getting-started.md

Merge pull request netbox-community#106 from digitalocean/develop

Release v1.0.5

Merge pull request netbox-community#85 from digitalocean/develop

Release v1.0.4

When editing an object, cancel_url should point to its normal view; w…

…hen adding, it should point to the object list

Merge pull request netbox-community#57 from digitalocean/develop

Release 1.0.3-r1

Merge pull request netbox-community#19 from digitalocean/develop

Develop