New features:
1. Upload HTML5 book to FTP Server for hosting purpose
2. Move and copy group
3. Support external widgets for Fixed Layout Books
4. View trash of books in one interface
5. Upload & batch upload books to Box
6. Insert subscript and superscript
7. Convert Table To Rich Table
8. Convert List To Rich Table
9. New version of image editor
10. UI enhancement for photo picker
11. UI enhancement of resource library
12. Bug fix