web: Give special pages a linkable URL. All special pages are now in the built-in `special` endpoint, at URLs like `special:/Broken Links`. This makes it possible to link to them from other pages, especially help pages.

sudo: false
language: python
python:
  - "3.4"
  - "3.5"
  - "3.6"
install:
  - "pip install -r requirements.txt"
  - "pip install -r dev-requirements.txt"
script: py.test