[clreq] new commits pushed by ethantw

The following commits were just pushed by ethantw to https://github.com/w3c/clreq:

* Replace fig. of the Four Typefaces
  by Chen Yijun
https://github.com/w3c/clreq/commit/6035a3e33a749981726f340b6aa32d88368d7139

* Merge pull request #137 from w3c/replace-typeface-fig

Replace fig. of the Four Typefaces
  by Chen Yijun
https://github.com/w3c/clreq/commit/f4c9ec49da0bff485067759635e293928fe448c9