Say hello to "Falling Leaves" the first animated wallpaper

This is straight from particle examples in qtdeclarative.
fallingleaves: Cleanup
Ignore QtCreator projects
Rename wallpapers to backgrounds
fallingleaves: Load a random wallpaper
fallingleaves: Fix images loading

Resolve URLs when loading images.
fallingleaves: Property to choose between linear and wobbly movement
fallingleaves: Add copyright
Add swirl animated wallpaper
Add randomcolors animated wallpaper
fallingleaves: Activate timer to change backgrounds

Set running to true in order to start the start the timer and actually
change backgrounds.
Add git files
Disable any compiler test

This project doesn't build software, it doesn't need any compiler.
Rewrite QML wallpapers metadata with JSON

Use the new metadata format.
Add desktop files and convert them to JSON

Add desktop files that can be easily modified and translated and
update metadata to the latest JSON format generating them from desktop
files.
Bump version to 0.3.0