官网地址:http://www.gwtproject.org/overview.html
StockWatcher: 为原生Gwt,只是单纯的页面展示
StockWatcher-Rpc: Making Remote Procedure Calls (GWT RPC) 测试 .
StockWatcher-Http-Json: Retrieving JSON Data via HTTP 测试 .
StockWatcher-Cross-Site-Requests-JsonP: Making Cross-Site Requests for JSONP 测试 .(还有 bug )