Vaadin wrapper for OFC2 flash charts. - On first data loading; inline data feeding. - During chart loading shows Vaadin's progress indicator. - Set data to chart through Vaadin's ContainerdataSource strategy. Installation: * Put open-flash-chart.swf under WEB-INF/ofc directory (Default), or give the swf path through constructor. * Put jofc2.xxx.jar under WEB-INF/lib * Put xtream.xxx.jar under WEB-INF/lib Check demo application for usage. Tested with ICEPush, pushing chart data to browser.