yiisoft/yii — pull request #2614 by luislobo (2013-07-07 18:38:18+00:00)
Title: Fixes issue #2613 where CButtonColumn click is broken when options['class']='myclass'

Fixes issue #2613 where CButtonColumn click is broken when options['class']='myclass'
This was noticed when adding several custom button columns with their click property was set and also a custom class was set for the button.