Revert "Revert "Fixed bot dialog""

This reverts commit ddc65bdfa8.

parabotv2/src/org/json/simple/JSONAware.java

@@ -0,0 +1,14 @@
+package org.json.simple;
+
+/**
+ * Beans that support customized output of JSON text shall implement this
+ * interface.
+ * 
+ * @author FangYidong<fangyidong@yahoo.com.cn>
+ */
+public interface JSONAware {
+	/**
+	 * @return JSON text
+	 */
+	String toJSONString();
+}