4. Other html renderer

list from http://limpet.net/mbrubeck/2014/08/08/toy-layout-engine-1.html

then I forked/ cloned from others ... :)

1. language: Python , this pass acid2 test***

   https://github.com/prepare/WeasyPrint

2. language: Haxe

   https://github.com/prepare/Cocktail

3. language: Haskel

   https://github.com/prepare/Simple-San-Simon-Functional-Web-Browser

4. language: C/C++

   https://github.com/prepare/WebWhirr

   https://github.com/prepare/litehtml