Puisify

Invalid date

Version 1.7 :

- Fix bug, UI issue on API 22 and later
- Fix bug, Saving and sharing issue
- Add support Oreo 8.1

Version 1.6 :

Changes and new features :

1. The new poem will be placed at the top of the list of poems
2. Changes and additions to the color list, now available paper color options
3. Changes and additions of some interesting paper effects
4. Change layout editor of poetry