Awesome: Wallpapers: Make it possible to add padding on first screen wallpaper

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
Awesome: Background: Automatically figure out which background to use, and how to adjust them

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
Vimrc: Remove unused (and now buggy) script

Signed-off-by: Jerome Flesch <jflesch@gmail.com>