Switching KDE packaging to git

[Fathi Boudra]

> My only request is that we document the workflow in something like:
> http://svn.debian.org/wsvn/pkg-kde/kde-extras/README
>
> This is so we can get the workflow documented and give those of us git newbies over the line.

Qt contains a README.source:
http://git.debian.org/?p=pkg-kde/qt4-x11.git;a=blob;f=debian/README.source

It could be used (and improved) for the workflow documentation.