An extension that boost page speed of Codeforces in China. Using much faster CDN to improve codeforces' speed. Disabled some useless URLs for coding contests. Check https://blog.itdevwu.com/cfbooster/ for details.
· Added CDN to load Codeforces' MathJax resources · Provided a user interface to indicate status of this extension · Improved speed and usability · Fixed bugs
