Update changelog with 0.8.2 release

Aleksander Machniak

2012-10-06 e0a32884069d6d5bb3861640ca246fa6e1a09f70

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tinyMCE.addI18n('lt.advhr_dlg',{size:"Auk\u0161tis",noshade:"Be \u0161e\u0161\u0117lio",width:"Ilgis",normal:"Normalus",widthunits:"Vienetai"});