Daily Wallpaper from Bing

Nov 8, 2017

New :
- Add an option to disable the notification which informs you that wallpaper has been automatically set.
- Display the correct today's date for american users.
- Use of safe https security for every requests.
- The current time is now displayed on custom time option.

Fixes :
- Fix a anormal delay to get wallpaper from wallpapers tab.
- Fix a crash when network connection is lost during download.
- Fix a crash for Android 5.0 and 5.1 users at start up