[Sync xFace3.1 core]Url added platform tag in online mode
[Sync xFace3.1 core]Toast an error message, when app url is error or not exist in local mode
[Sync xFace3.1 core]Added license to XFileUtils
[Sync xFace3.1 core]Modify errorcode to code in XAppInstallListener.java and XAppStartListenerImp.java
[Sync xFace3.1 core]Local mode creates cache folder to support offline app in some cases
[Sync xFace3.1 core]Move startNativeApp method from XAppExt to XAppUtils
[Sync xFace3.1 core]Modify code to errorcode in XAppStartListenerImp.java and XAppInstallListener.java
[Sync xFace3.1 core]Fix breakpoints download failure bug