Jul 30, 2015

Latest changes:
- More flexible locale detection.
- Performance enhancement.
- Fix crash immediately when app opened.

Previous changes:
- Fix empty screen after refresh triggered.
- Fix empty news list in certain keywords.
- Require external storage access permission for caching news photos.
- Better image size for 7" tablet.
- Fix crash when sliding at splash screen.
- Support more resolution, including retina display
- More data pre-cached while running update.