#15 Change name and add automatic layout changing in Entry.

- Renamed MainActivity to Entry.
- Add automatic layout changing.
#15 Adjust Configuration Class.

- Change the ROLE property, public to private.
#15 Renamed clearly.
#15 Add button in NewsView.java.

- Renamed and added string value.
- Modified the process.
#15 Fixed display bug when resume ManagerList activity.
#15 Fix bug in News activity.

- Fixed edit deleted function.
- Always reload in NewsView activity.
#15 Add list order.
Merge pull request #16 from MilesChou/15-modified-activity

Complete News module