linux-headers: bump 3.{0, 4, 10}.x stable versions

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
linux: bump 3.10.x stable version

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
configs/qemu: bump relevant config versions

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
CHANGES: update for 2013.08-rc2

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Prepare for 2013.08-rc2

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
qt5: change upstream URL

The Qt5 upstream URL has changed, which leads to build failures in the
autobuilders.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>