[type.css]增加直角引号和书名号

``` css
q:lang(zh){
  quotes: "\300C" "\300D" "\300E" "\300F";
  /* quotes: "「" "」" "『" "』"; */
}

cite:lang(zh){
  quotes: "《" "》" "〈" "〉";
  font-style: normal;
}

cite:before {
  content: open-quote;
}

cite:after {
  content: close-quote;
}
```

Demo: http://jsbin.com/vowuqizo/1/edit
