增加后台脚本API

o2web/source/o2_core/o2/xScript/ServerApi.js

-
 /**
  * data对象是流程平台中，流程实例的业务数据；以及内容管理平台中，文档实例的业务数据。<br/>
  * 这些数据一般情况下是通过您创建的表单收集而来的，也可以通过脚本进行创建和增删改查操作。<br/>
@@ -12,6 +11,35 @@
  * @borrows module:data#[property] as [property]
  */
 
+
+/**
+ * 您可以通过workContext获取和流程相关的流程实例对象数据。
+ * @module server.workContext
+ * @o2category server
+ * @o2range {Process}
+ * @o2ordernumber 20
+ * @o2syntax
+ * //您可以在表单或流程的各个嵌入脚本中，通过this来获取当前流程实例数据，如下：
+ * var context = this.workContext;
+ * @borrows module:workContext.getWork as getWork
+ * @borrows module:workContext.getActivity as getActivity
+ * @borrows module:workContext.getTask as getTask
+ * @borrows module:workContext.getTaskList as getTaskList
+ * @borrows module:workContext.getTaskListByJob as getTaskListByJob
+ * @borrows module:workContext.getTaskCompletedList as getTaskCompletedList
+ * @borrows module:workContext.getTaskCompletedListByJob as getTaskCompletedListByJob
+ * @borrows module:workContext.getReadList as getReadList
+ * @borrows module:workContext.getReadListByJob as getReadListByJob
+ * @borrows module:workContext.getReadCompletedList as getReadCompletedList
+ * @borrows module:workContext.getReadCompletedListByJob as getReadCompletedListByJob
+ * @borrows module:workContext.getControl as getControl
+ * @borrows module:workContext.getWorkLogList as getWorkLogList
+ * @borrows module:workContext.getRecordList as getRecordList
+ * @borrows module:workContext.getAttachmentList as getAttachmentList
+ * @borrows module:workContext.getRouteList as getRouteList
+ */
+
+
 /**
  * 本文档说明如何在后台脚本中使用Actions调用平台的RESTful服务。<br/>
  * 通过访问以下地址来查询服务列表：http://server:20030/x_program_center/jest/list.html