Revert "increase cache size to 40"

This reverts commit 5f4f173332909b8fb247e603b5a1c8d5bab92145.
Revert "add picture caching"

This reverts commit deed10b3e8dd3fe8be53e81fd7291ff56f6f9ad6.
change name to pint
share intent added

Conflicts:
	res/values/strings.xml
destroy wallpaper engines properly
make the first picture fade in