 [sfUnobstrusiveWidgetPlugin] update changelog
 [sfUnobstrusiveWidgetPlugin] update changelog

git-svn-id: 1ea94068613e9642e63d177d3716281e354cca5a@17505 ee427ae8-e902-0410-961c-c3ed070cd9f9

Symfony-Plugins/sfUnobstrusiveWidgetPlugin,Symfony-Plugins/sfUnobstrusiveWidgetPlugin