Test Release v1.7.0

🔖 Thalia Website v1.7.0

Errors resolved

• Change memberlist text so that it doesnt mentions email or phone numbers (!428 (merged))
• Fix error for events without organiser (!431 (merged))
• Make sure boards are always active so that they can create events etc (!430 (merged))
• Fix setting all users not on waiting list or cancelled to present and paid (!429 (merged))
• Fix event ModelAdmin change permissions (!440 (merged))

New functionality

• Randomly order vacancies (!427 (merged))
• Bound announcements on datetime instead of date (!438 (merged))
• Add permission that overrides event organiser restrictions (!441 (merged))
• Also include mailinglist aliasses in API output (!439 (merged))

Technical changes

• Double checked README (!422 (merged))
• Use newer version of flake8 (!433 (merged))
• Fix path traversal (!432 (merged))
• Document thumbnail url usage (!435 (merged))
• Dockerfile: Move statics such as entrypoint up in the build (!437 (merged))
• Move to Django 1.11 (!442 (merged), !444 (merged))
• Make Event.organiser NOT NULL (!443 (merged))