Update changelog with 0.8.2 release

Aleksander Machniak

2012-10-06 e0a32884069d6d5bb3861640ca246fa6e1a09f70

1
tinyMCE.addI18n('zh-cn.advhr_dlg',{size:"\u9ad8\u5ea6",noshade:"\u65e0\u9634\u5f71",width:"\u5bbd\u5ea6",normal:"Normal",widthunits:"Units"});