Revert "clean master. use gh-pages"

This reverts commit f180d48053dfac8fc533c335000adc296670b9f3.

See https://help.github.com/articles/user-organization-and-project-pages
- You must use the username/username.github.io naming scheme.
- Content from the master branch will be used to build and publish your GitHub Pages site.
README.md add new naming scheme