Merge pull request #2289 from SukkaW/fix-gh-pages-404

diff --cc .travis.yml
index fe4cf5e,d2cfba5..c0c3f02
--- 1/.travis.yml
--- 2/.travis.yml
+++ b/.travis.yml
@@@ -18,9 -18,10 +18,10 @@@ script
    - set -e
    - chmod +x ./scripts/build.sh && ./scripts/build.sh
    - mkdocs build -v
 -  - find ./site -type f -name '*.html' -exec node --max_old_space_size=512 ./scripts/render_math.js {} \;
 +  - node --max_old_space_size=3072 ./scripts/render_math.js
    - npx gulp minify
    - python scripts/gen_redirect.py
+   - touch ./site/.nojekyll # Stop GitHub Pages from ignoring files with underscores prefixed
    - set +e
  deploy:
    provider: pages