@keyframe name surrounded by quotes not supported by firefox

@keyframe are not working in firefox because cssmin add quotes around keyframe name.

I applied this patch : 
https://code.google.com/p/cssmin/issues/attachmentText?id=48&aid=480002000&name=cssmin-3.0.1-no-quotes-moz-keyframes.patch&token=v7vn-GUo3fimMY45GqDPlgjeOZI%3A1371226184202

It fix this issue : https://code.google.com/p/cssmin/issues/detail?id=48