优化项目结构, 增加表格和文档插件

xbot-et/main.js

@@ -0,0 +1,4 @@
+//这个文件由index.html包含
+document.write("<script language='javascript' src='js/util.js'></script>");
+document.write("<script language='javascript' src='js/ribbon.js'></script>");
+document.write("<script language='javascript' src='js/xbot.js'></script>");