v15.5

Rest assured, this project is still very much alive. We have been doing a lot of backoffice work that we hope will give us more ways to develop Gregory.

For now, a quick maintenance release

What's Changed

• upgrade Django by @brunoamaral in #346
• add article count by @brunoamaral in #347
• Unique authors by @brunoamaral in #348
• Adds Country information to authors by @brunoamaral in #349
• deletes the twitter feed by @brunoamaral in #354
• Improve urls py by @brunoamaral in #355

Full Changelog: v15...v16