Remove dependency to Glide

Copies over strictly what is needed.

Fix in GifDrawable recycling

v1.2.2

GifDrawable recycling fix

Use choreographer to sync draw

v1.2.1

Use choreographer to draw

Add support for Android 21

v1.2.0

Support for Android 21

Replace AnimatedImageDrawable with GifDrawable

The AnimatedImageDrawable stops working after a while, and it's hard to fix and debug, as it simply seems to crash in the native code.

Replace Glide's GifWallpaper by a simpler implementation

v1.1.3

Replace Glide's GifDrawable by a simpler implementation

Optimizations

Draw calls and memory optimizations

Disable backup, add french locale

Backup makes no sense for this app, so it's now disabled.
Also add french locale.

Require wallpaper in the manifest

This should avoid installation on chromebook or other unsupported devices

Fix ActivityNotFoundException

Well, more like, try catch it.