wenzhixin/multiple-select — pull request #98 by brettz9 (2014-06-12 21:53:51+00:00)
Title: If a class is present on the original <select> or individual <option>s, ...

...copy them over to the

or
, respectively; also add a class to select-all (namespaced as "ms-select-all")

This gives the user more control in styling (e.g., I wanted individual elements to show up in italic).