add missed files.
Implement the method GetFileInfo for BaiduPcsUtiltiy and AliyunOssUtility.
Add new project 'CloudDiskTest' to test interface implementation of
ICloudDiskUtility.
Add a example for cloud disk selecting strategy.
Merge remote-tracking branch 'origin/develop' into develop_ari
add CloudDiskManager to AllinOne class but not implemented
 to

Still some issues in Baidu Sdk