Created by Jerry Wang, last modified on Jan 17, 2015
在UI上点击某个tile时，framework会去取该tile 对应的navigation url：
where and when navigation target url is retrieved by SAP UI5 Framework onPress 事件处，设置navigationTarget URL:
where and when navigation target url is retrieved by SAP UI5 Framework 准备解析该application 对应的url：
where and when navigation target url is retrieved by SAP UI5 Framework 对该application url做encoding：
where and when navigation target url is retrieved by SAP UI5 Framework 通过Odata向backend 发起请求并得到response：
where and when navigation target url is retrieved by SAP UI5 Framework response in Chrome：
where and when navigation target url is retrieved by SAP UI5 Framework 
