xdelta3: Package update to 3.0.11

removed two files as they got accecpted upstream
Update SRC_URI to location where this version exists

Includes security fix CVE-2014-9765
CVE-2014-9765 xdelta: buffer overflow in main_get_appheader
(fixed in 3.0.9 and after)

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>