buildroot

docs/website: fix google feed API

Google deprecated feed api to cenvert rss to json, switching
to yahoo yql. This patch also reorganize the javascript code
to accomodate the fixings.

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>